Top Record Circuit

Auspicioustar Snap Electronic Exploration Building Block Toy Box for Age 8+ Kids, Science Circuits Experiment Kit As Stem Educational Set 20 Pcs

  • ⚡[Educational toys] The exploration toy set can lead children to understand the use of circuits and improve children's hands-on ability. Let children discover the fun of physics in games..
  • ⚡[Parent-child games] Children play this circuits building blocks to explore physics with their families, to enhance the relationship between parents and children while learning and entertaining..
  • ⚡[Multiple ways of playing] The 'exploration of switches' experiment set has 5 kinds of switches in 20+ electronic parts, which can building over 80 different electronics circuit projects. The combination of various circuits, various ways of playing, and high play-ability..
  • ⚡[Easy to learning] There are detailed instruction manual and experimental record manual in this experiment set, easy to do. No soldering, no special tools. Let children understand the charm of circuit better..
  • ⚡[Convenient storage] The scientific education experiment set also comes with an environmentally reusable box, which has multiple uses. The box not only serves as a platform for kids to build the experiment, but also as a storage box to place and store all the components for easy portability..
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Hardness Testing File Set

  • 【Accurately measured value】-----Precision measurement circuit to ensure Indication error ± 0.5% (HLD = 800), showing the value of repeatability 0.8%.
  • 【Leeb hardness measurement】-----Based Leeb hardness measuring principle, can detect a variety of metal materials.
  • 【Supports a variety of standard hardness】-----Real-time display and conversion: Brinell HB, Rockwell HRC, Vickers HV, Shaw HS, and three kinds of intensity values.
  • 【Applicable Materials】-----Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, copper zinc alloys (brass), an alloy of copper and tin, copper(bronze).
  • 【Application】-----1)Bearings and other parts.
  • 2)Failure analysis of pressure vessel, steam turbine generator group and equipment.
  • 4)Mechanical or permanent assembly installed.
  • 6)The original record of formal requirements on test results.
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GOgroove Phono Preamp EQ with 3 Band Equalizer - Preamplifier with Treble, Mid , Bass - RCA Input/Output , DIN , 12V DC Adapter , High-End Circuit Design - Compatible with Record Players , Turntables

  • 3 BAND EQUALIZER makes this a 2-in-1 product (preamplifier and equalizer) for your record player. A simple interface allows you to easily adjust sound levels with the treble, mid and bass controls.
  • TOP OF THE LINE CIRCUIT boost your turntable's phono audio level up to a more speaker/stereo line level, giving you better volume and increased sound quality.
  • RCA & DIN CONNECTION hooks up to your record player , mixer or recording unit for smooth audio | PLUG YOUR HEADPHONES directly into the 1/4 headphone port and adjust sound with the monitor level knob.
  • INPUT GAIN allows you to control the level of the sound going into the preamp helping eliminate sound distortion | POWER INDICATOR LIGHT lets you know when the preamp is turned on/off.
  • CUSTOM SOUND LEVELS are great for all genres of music including rock , rap , jazz and more | FILTER BUTTON rolls off the low end and helps eliminates turntable rumble | 3 YEAR MANUFACTURER'S WARRANTY.
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KZYEE KM50 Power Circuit Probe Kit, Automotive Circuit Tester with AC DC Current Resistance Fuel Injector Test & KZ2000-5M Industrial Endoscope 5.5mm Diameter 1080P HD Waterproof Inspection Borescope

  • 【Function Upgrade】 KZYEE KM50 Circuit Tester Kit is an upgraded version of KM10, which performs each type of testing modes, like DC Voltage, AC Voltage, Signal Frequency, Duty Cycle, Fuel Injection, Resistance, and Diode.
  • 【Quick Diagnosis】Quicker troubleshoot and diagnose circuit conditions by switching waveform display from the digital display for AC Voltage, Frequency, Duty Cycle, and Fuel Inject testings by long-pressing the mode button for 3 seconds.
  • 【Easily deal with narrow and dark environments】The 5.5mm diameter tiny endoscope borescope camera with 6 adjustable LED Lights can easily access narrow and dark places for non-destructive inspection such as: automotive vehicle maintenance, HVAC inspection, wall circuit detection, drain plumbing pipeline repair, kitchen sewer inspection, home appliance inspection, industrial applications, and etc..
  • 【Large viewing angle, HD quality observation】 Equipped with upgraded version 4.3 inches horizontal screen monitor, IPS technology full-view display, and FULL HD 1080P resolution, the KYZEE KZ2000 brings you a better experience of capturing images and videos. Its high capacity 2800mAh rechargeable lithium ion battery can last working for 3-4 hours to ensure your daily use needs.
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Hayve 7'' HDMI Digital Microscope,1200X Coin Microscope with IPS Screen, 16MP Soldering Microscope with Lights, 8.5'' Long Stand, View Entire Coin, Compatible with PC/TV, 32GB Card

  • ...just the zoom, perfectly avoiding shaking the screen and record the clearest moments!.
  • ️【10-1200X DIGITAL MAGNIFICATION】Hayve microscope for adults provides 10-1200X continuous magnification，so you can see the tiniest view, such as error coins, burned components on circuit boards and diamonds etc, bring you a amazing visual experience！.
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7\ LCD Digital Microscope ANNLOV 1200X Maginfication 1080P Coin Microscope with Metal Stand,12MP Ultra-Precise Focusing Video Camera for Kids Adults,8 LED Fill Lights Windows/Mac Compatible

  • 7" LCD Screen: ANNLOV LCD digital microscope has a built-in 7" HD screen that allows you to view directly, which is larger, clearer and has higher magnification than other similar 4.3" screen microscopes. Great for viewing errors in coins, leaf textures, skin textures, fine parts in watches, soldering circuit boards, and more..
  • Easy to focus: Adjust the object to be close to the lens (2cm-10cm), then you can get a clear image by slowly rotating the focus wheel, also you can press the up or down button to resize the image between 1-4X , which is helpful for observing details..
  • Adjustable Stand and Solid Metal and Base: The metal material is stronger, more stable, and more durable than other plastic versions, minimizing shock and keeping your sample in sharp focus, you'll have a more stable and accurate view of your object. At the same time, you can adjust the stand as needed to find the best viewing angle and avoid eye and neck strain..
  • Superior Image Quality: More than just a microscope, it allows you to capture live images and record video with zero latency. ANNLOV Coin Microscope can take 12MP (4023*3024) photos, record 1080FHD 1920*1080 30fps video and store it in the included 32GB. Perfect for those who want to record beautiful moments....
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XCORTECH Airsoft Shooting Chrono Chronograph New X3200 Original MK3 @ TOMTAC

  • High accuracy measurement. As the device with high accuracy and clamp rail, and fixed equipment after the every time are the same, and with the guide....
  • Design of the four sides of the air, effectively alleviate the impact of airflow test. Improved stability and accuracy. The display surface and the....
  • Not only can measure the speed, but also can measure kinetic energy, and can record up to 40 sets of speed and kinetic energy value of the 40 groups..
  • Multiple power management and protection. The lithium cell has the function of over charging, over discharging and short circuit protect, and the....
  • Package include: 1*Shooting Speed Tester, 1* U-shaped Clamp, 1* USB Cable..
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ANCEL PB100 Automotive 12/24V Power Circuit Tester Probe with ANCEL BA301 6V 12V Battery Load Tester Car Cranking Charging System Test Tool

  • Includes: 1 x PB100 Circuit Tester, 1x BA301 Battery Tester.
  • A MUST-HAVE TOOL - Designed for voltage & polarity testing, continuity testing, signal circuit testing, supply power/activating components, trailer lights & connections testing. It features red/green polarity indicators, follows & locates short circuits, and checks bad Ground contacts..
  • 4 WORKING MODES - DC Voltage mode for reading the DC voltage with a resolution of 0.1 volts.
  • AC Voltage mode for reading the Max. voltage, the Min. voltage, and frequency.
  • Resistance mode for reading the resistance between the tip and auxiliary ground lead.
  • Diode mode for checking forward bias or reverse bias..
  • Works on all 6V & 12V 100 - 2000 CCA lead-acid batteries, analyzes starter cranking and alternator charging condition. Cranking test to test and analyze the starting motor (cranking time, voltage, and status), and the charging test to check and analyze the charging system (load voltage, unloaded voltage, ripple status, charging system status)..
  • Features one-click "waveform" to record the voltage changes (current voltage, maximum and minimum voltage) in a graph during ignition. You'll know if the battery needs to be replaced or not through analyzing the values of discharge voltage, starting voltage, and ch....
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HAYLOU LS02 Smart Watch 2 1.4inch LCD Screen BT 5.0 12 Sports Modes IP68 Waterproof 20 Days Standby Wristwatch Heart Rate Fitness Bracelet

  • 【Bigger and Brighter Screen】 The 1.4" round touch screen* has a resolution of up to 320 PPI, and fits seamlessly with 2.5D curved tempered glass for a more delicate and natural view. And the newly upgraded screen is better at color saturation and reproduction compared with the old generation..
  • 【Extended Usage Time】 The HAYLOU smartwatch LS02's long-lasting battery can go for 30+ days* on a single charge( *Heart rate tracking OFF:30+Days；Heart rate tracking ON:20+Days).Powered by 260mAh high-performance battery,next-generation low Energy circuity design and anti-short circuit chip,so you can wear it all day and don't worry about out of power..
  • 【Haylou Fit Apps】 The HAYLOU App and LS02 cooperate tacitly to record fitness data in real-time and to set the watch's functions in the App. Upgraded with Bluetooth 5.0,the signal distance reception strength is increased, the propagation speed is stable and smooth..
  • 【Smart Work Out Modes】 Either hiking or biking, you can set your goal and track activity data via LS02. Also, choose from 12+ activity modes to get real-time status during a workout and record them for you..
  • 【What You Get?】 1×Smartwatch LS02, 1×Charging Cable, 1×User Manual..
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7'' LCD Digital Microscope - 1200X Coin Microscope with 32GB Card - Opqpq Soldering Electronic Microscope with 12MP Camera, LED Fill Lights, Wired Remote, PC View, Windows/Mac OS Compatible

  • ...ns on the screen such as Menu, Take Picture, Record Video. The electronic soldering microscope can be easily controlled without pressing the button under the screen, which perfectly avoids screen shaking or shaky images..
  • 【Wide Application & Ideal Gift】This USB microscope with screen is suitable for coins error, circuit board inspection, plants, rock, stamps, watch, clock repair, jewelry, textiles, skin inspection and welding, trichomes, biological observation, QC inspection (Not suitable for medical use). Perfect gift for any teen who shows a mild interest in science, coin collectors, circuit board electricians, macro photographers, rocks hunters, any young scientist, teacher, wonderer, hobbyists and etc..
  • 【Available Photo &Video Resolution】Photo resolution of Opqpq ODM9 digital microscope supports 12MP 4023*3024, 10MP 3648*2736, 8MP 3264*2448, 5MP 2592*1944, 3MP 2048*1536. Video resolution supports 1080FHD 1920*1080, 1080P 1440*1080, 720P 1280*720. It should be noticed that higher resolution takes more storage space and the resolution may be limited on PC..
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Telephone Dialer,12V Phone Wired Voice Auto-dialer Burglar Security House Alarm System

  • 【RELIABLE IC PARTS】The use of highly reliable IC, to reduce the discrete devices, and the use of double-layer circuit board, the structure is more concise, more stable quality performance..
  • 【MICROCOMPUTER DESIGN】Microcomputer design, can be seen, audible, can be recorded, can be put all-round automatic dial-up help. It can be selected according to different host requirements N, C N, O or voltage input trigger signal. The voice dialer can be used with the world anti-theft host, or with a variety of independent sensor, in the situation immediately dial for help..
  • 【INTELLIGENT JUDGMENT】This item can save four groups of telephone numbers, each phone number can store up to 16 digits. After power down, the phone number, voice is not lost, intelligent judgment function.The panel can be seven digital display, indicating the top or button echo, directly detect the input of the phone number and help voice is correct..
  • 【100% NO ERROR & MULTI-WAY PROTECTION】All-round boot, self-detection function, to eliminate the occurrence of failure. With a password, if accidentally triggered or when the situation occurs, you can always enter the password directly through the panel keys to stop the call..
  • 【AUTOMATICALLY RECORD VOICE FUNCTION】: Microcomputer au....
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Universal AC DC 5V 1A 2A/2000mA Power Supply Cord Adapter Charger with 8 Variable Plug Tips (Include 5.5mm / 3.5mm / Mini USB/Micro USB / 4.7mm Switching Connector)

  • 【Universal 10W Power Supply】AC input: 100-240V 50 60Hz.
  • DC Connector size: 5.5*2.1mm. (Can Fit for 5V 1A 1.5A 300ma 500ma 700ma 1000ma).
  • 【Widely Used DC 5V Power Cord】This 5V Charger Fit for Vizio sound bar, for Digitnow record player, for Polaroid record player, for Raspberry Pi, 5V Baby Monitor, Arduino/DIY Project, LED strip light, Webcam, HDMI products, Audio/Vedio, Android TV Box, LCD monitor, Kindle, Router, Photo frame, Bluetooth Speaker, Radio, IP/CCTV Security Camera, Tascam Recorder, USB HUB, DJ controller, Nextbook, Android Tablets, micro USB connectors for most smart phones and More 5V Device..
  • 【Get $5 worth of 8 connectors】This 5V 2A Power Cord offer More Selective with Micro-USB / 4.0*1.7mm / 3.5*1.35mm / 5.5*2.5mm / 3.0*1.1mm / 2.5*0.7mm / Mini-USB / LED Terminal Connector..
  • This 5 volt dc power supply offfer OverCurrent / OverVoltage / OverHeat / Short Circuit Protection..
  • 【Kindly note】If your device requires more than 2A (2000mah) then it will not be compatible. Only If your device requires less than 2A then it will work well and safely..
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