Top Electromagnetic Buzzer

Amavasion Glasses Lens Insert Compatible with Meta/Oculus Quest 2, Amavasion VR Glasses Customized Easy-to-Install Frame Plus Lens Combination SPH:-3.50(One Lens)

  • PRECISE MEASUREMENT: Equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip. Testing magnetic field radiation with optional units mG/µT, the electric field with unit V/m. This emf meter can not test the RF value..
  • SOUND-LIGHT ALARM: When the testing result exceeds the value(0.4µT (4mG) or 40V/m), the screen will turn red and the indicator will be flashing, and the buzzer will alarm. If you’re testing some quiet areas, you can close the buzzer first, avoid disturbing the others..
  • MULTIFUNCTION: Testing average or peak value(Maximum) reading, and one key hold the data for a view. Large and back-light LCD is clear for viewing. Auto power off after 5 minutes without operation..
  • WIDELY APPLICATIONS: Mainly used for testing TV, computer, printer, microwave oven, refrigerator, cell towers, for low-frequency home appliances, and ghost hunting, etc..
  • CUSTOMER SERVICE: ERICKHILL strives to create professional and high-quality meter. We provide a 36-month after-sale service, lifetime technical support. If you have any questions, please feel free to contact us, our professional after-sales team will solve your problem in time..
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ERICKHILL EMF Meter, Rechargeable Digital Electromagnetic Field Radiation Detector Hand-held Digital LCD EMF Detector, Great Tester for Home EMF Inspections, Office, Outdoor and Ghost Hunting

  • PRECISE MEASUREMENT: Equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip. Testing magnetic field radiation with optional units mG/µT, the electric field with unit V/m. This emf meter can not test the RF value..
  • SOUND-LIGHT ALARM: When the testing result exceeds the value(0.4µT (4mG) or 40V/m), the screen will turn red and the indicator will be flashing, and the buzzer will alarm. If you’re testing some quiet areas, you can close the buzzer first, avoid disturbing the others..
  • MULTIFUNCTION: Testing average or peak value(Maximum) reading, and one key hold the data for a view. Large and back-light LCD is clear for viewing. Auto power off after 5 minutes without operation..
  • WIDELY APPLICATIONS: Mainly used for testing TV, computer, printer, microwave oven, refrigerator, cell towers, for low-frequency home appliances, and ghost hunting, etc..
  • CUSTOMER SERVICE: ERICKHILL strives to create professional and high-quality meter. We provide a 36-month after-sale service, lifetime technical support. If you have any questions, please feel free to contact us, our professional after-sales team will solve your problem in time..
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AC Current Sensing Switch Flameproof Adjustable 0.2~30A IP30 Self-Powered Sensing Switch(Normally Closed)

  • Control of various automatic industrial control equipment, flash, buzzer, relay, single chip, or other power load equipment..
  • Using the electromagnetic mutual inductance principle of current, the advanced switch output detection, monitoring and protection alarm type products without power supply technology are adopted..
  • Widely used in substation, frequency control device, inverter device, electrolytic plating, electric locomotive, street lamp monitoring, coal mine and other need current monitoring automation industry..
  • Compared with traditional transformer and thermal protector, it has the advantages of high accuracy, stable performance and long service life..
  • The current-sensing switch is for safe, convenient monitoring or detecting the current of electric equipment. An ideal choice for automatic industrial control equipment and electric power monitoring..
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Hashy Giraffe Digital Wireless Body Height Meter Ultrasonic Height Measuring Instrument Stature Fast Meter For Kids Measuring Moving Height Ruler

  • Giraffe characters make children happy with their height. Easy measurement in 3 seconds without a tape measure!.
  • 【SAFETY】Our child's growth record ultrasound, which won't come back, makes it easy to measure at home without worrying about electromagnetic waves..
  • 【ONE TOUCH】Easy to measure at home from newborns to growing children.
  • 【TWO USES】Easily carry and capture a child's growth/ Used to measure the length of a furniture or to measure the size of a room when you move..
  • 【Detailed information】 W 50 x D 82 x H 229 mm ,175g / Measuring range: 40-200cm / Measurement error: ±0.8 Display mode: LCD / Function: buzzer prompt, one-button operation / ★Product of Korea China OEM.
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MALLORY SC628D TRANSDUCER, PIEZO, 1.9KHZ, 75DBA, 28VDC

  • Buzzer Sounder Electric-Composition -- Mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell..
  • Buzzer Alarm Buzzer-Multivibrator -- Multivibrator vibrates and outputs audio signal..
  • Alert Buzzer Sound-Impedance Matcher -- Impedance matcher drives piezoelectric buzzer sound..
  • Buzzer 12 volt-Sound Continuously -- Connected to rated power and the buzzer will sound continuously..
  • buzzer Active Piezo-Easy to Control -- Can be controlled conveniently..
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TekkPerry Game Answer Buzzer, Alarm Sound Play Button Box,Game Show Buzzers,Game Buzzer Button with Sound Light Party Contest Prop Toy,Trivia Quiz Got Talent Buzzer for Kids Adult Classroom

  • Game Buzzer Button with Sound Light: You can only simply press the red game buzzer to make it light up,the game answer buzzer will buzz loudly. The red color and "X" sign can attract attention and increase the fun of the game, easy to use..
  • Red Game Show Buzzers: 11*9.7*2.2cm/4.33*3.82*4.8inch(L*W*H) Color: Black + Red Light.ABS Shell material, built for durability, small system, easy to store, easy to operate.
  • Funny Toy Games for Kids AdultA great buzzer for your home quiz evenings, perfect classroom game accessory, family game night competitors rejoice. Great party contest prop toy for play competitive question and answer games, response buzzers let competitors easily buzz when they have an answer. Add game answer buzzers to any family board game for some extra fun.
  • Buzzer for Game Show:The answer buzzer is perfect for a funny prank, office desk gadget, home quiz evening, also can be party contest prop toy for kids adult, or for the classroom. Actively encourage contestant to join in the competition with this quiz game buzzer.
  • Not Include AA Batteries:Please note that our game buzzer is powered by 2 piece AA batteries(Not included in it).The game answer buzzer is compact size and lightweight, easy for carry.
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Aicevoos 528D Digital Clamp Meter Multimeter 4000 Counts Amp Voltage Tester Auto-ranging, Measures Current Voltage Temperature Capacitance Resistance Diodes

  • MULTIFUNCTION DIGITAL CLAMP METER: Accurately measure AC current (do not measure DC current)! AC/DC voltage, frequency , resistance, capacitance, diode, continuity and temperature tests are also available. This clamp meter is a very useful tool for solving industrial and household electrical problems.
  • NCV DETECTION FUNCTION: Non-contact voltage detection effectively checks the electrical status by measuring the strength of the electromagnetic field without touching any wires.
  • when the multimeter senses a weak AC signal, the indicator light will be on..
  • MULTIFUNCTIONAL: Support data hold, temperature measurement, automatic shutdown, low battery indication and continuity buzzer. High-definition backlit LCD display and LED flashlight make it easy to deal with dark environments..
  • PROFESSIONAL MULTIMETER: Auto-ranging dial design and NCV non-contact measurement. HOLD for data hold function,FUNC for function switching, REL for DC measurement zero adjustment..
  • LARGE JAW OPENING: The jaw opening measures AC current in conductors without touching or interrupting the circuit.To measure the current you need to clamp the meter around one of the wires and not the whole power cord. Its slim and compact size makes it easy to operate in tight spaces..
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Beanlieve Game Answer Buzzer, Game Buzzer with Lights and Sound Trivia Quiz Got Talent Buzzer, Buzzer Buttons for Game Show, Red Game Buzzer for Kids Adult Classroom (Red)

  • 【WITH LIGHT AND SOUND TIPS】Only you simply press the red buzzer to make it light up,the game answer buzzer will buzz loudly. The red color attracts attention.Increase the fun of the game, easy to use.
  • 【PERFECT FOR GAME NIGHTS】The game answer buzzer is perfect for a funny prank, office desk gadget, home quiz evening & can be party contest prop toy for kids adult. Actively encourage contestant to join in the competition with this quiz game buzzer.
  • 【ANSWER BUZZERS FOR TRAINING】Using answer buzzers for classroom can again help to engage students in the process and aid in the memory.Add game answer buzzers to any family board game for some extra fun.
  • 【NOT INCLUDED AA BATTERIES】Our game buzzer is powered by 2 piece AA batteries(Not included in it).The game answer buzzer is compact size and lightweight, easy for carry.
  • 【PERFECT “ WRONG ANSWER ” BUZZER】These game buzzer use for quiz games in classroom, the students enjoy buzzing it for wrong answers on spelling bees or math drills. And to use it if a student starts acting up in class. Lol.
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3-24V Electronic Buzzer, Piezo Tone Buzzer 85 to 95 Decibels Cable Length 100mm Widely Used on Computers, Printers, Photocopiers, Alarm, Electronic Toys

  • ✔【RATIONAL DESIGN】- Buzzer is an electronic sounder with integration structure. Using DC power, connected to rated power and the buzzer will sound continuously..
  • ✔【CORE COMPOSITION】- Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell..
  • ✔【PRODUCT PRINCIPLE】- Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal..
  • ✔【EASY TO CONTROLL 】- Impedance matcher drives piezoelectric buzzer sound. Can be controlled conveniently..
  • ✔【 APPLY TO】- The active buzzer is widely used on computers, printers, photocopiers, alarm, electronic toys, automotive electronic equipment, telephone, timer and other electronic products..
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AEDIKO 20pcs Computer Mainboard Buzzer PC Internal Speaker Computer Motherboard Case Beep Alarm Buzzer

  • Mainboard Buzzer Length: Wire Length: 35mm/1.38inch, Total Length: 60mm/2.36inch.
  • Buzzer Cable: The Red Line is Positive, the Black Line is Negative.
  • Function: The Sound of the PC Internal Speaker Buzzer Can Judge the Working Status of The Motherboard.
  • Easy to Install: The Computer Motherboard Internal Speaker Come with 4 Pin Female Header Connector , Just Plug the Buzzer Into the Speaker Interface Of Mainboard Then Work.
  • Package Contents: 20pcs Motherboard Computer PC Internal Speaker Buzzer.
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BEAN LIEVE Game Buzzers with Sound - 2 Pack Buzzer Button with Lights, Game Show Buzzers for Kids Adult, Quiz Game Buttons Perfect for Game Night & Trivia Club & Classroom (Black)

  • WITH LIGHT AND SOUND TIPSIt would buzz loudly & light up for as long as pressed the game buzzer. The light up red X on the front is cute too & attracts attention.These buzzer buttons increase the fun of the game, easy to use.
  • USE FOR FAMILY FUED GAMEThe game answer buzzer is perfect for a funny prank, office desk gadget, home quiz evening & can be party contest prop toy for kids adult. Actively encourage contestant to join in the competition with this quiz game buzzer.
  • MAKE CLASSROOM QUIZZES MORE FUNThese game buzzer use for quiz games in classroom, the students enjoy buzzing it for wrong answers on spelling bees or math drills. And to use it if a student starts acting up in class. Lol.
  • A GOOD PLAY PROPOur buzzer button can let a youth group get together. The children also loved to borrow it to play along with watching American Got Talent who loves being the Guest Judge.
  • NOT INCLUDED AA BATTERIESOur game buzzer is powered by 2 piece AA batteries(Not included in it).The game answer buzzers are durable and made out of resistant material.Which are compact size and lightweight, easy for carry.
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Reverse Parking With Radar Beeps

  • 4.3" TFT LCD mirror monitor with a built-in high-volume warning buzzer,no need to connect a extra buzzer. Comes with a buzzer switch to control buzzer ON/OFF..
  • Ultra-thin rear view mirror monitor with 400CD/M2 brightness,the brightest in the marketplace.Clip-on the existing rear view mirror..
  • 2 channel Video inputs (Camera and DVD),automatic display rear view image when the car reverse..
  • High definition image quality camera and LCD monitor (640*RGB*480), wide angle backup camera..
  • Widely used on kinds of car and pickup which around 5 meter length. Prevent future dangerous and costly collisions.Help to increase safety for passengers, pedestrians and your family..
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