Top Frequency Controlled Device

Vastarry 10 Cm Solid State Music Tesla Coil Artificial Lightning Desktop Toy Electric Power Wireless Transmission Model Science Experiment Tool

  • This is an SSTC Tesla coil to generate high-frequency alternating current through the oscillation of the chip, and it can also be controlled by audio, so that the arc pushes the air to make sound, and also supports wireless power transmission, so the SSTC Tesla coil becomes a piece with It is a multi-functional artwork with high playability, good viewing, practical science education and so on..
  • After more than 1 year of accessories matching test, a more complex circuit design was adopted, and a larger area of the top boost coil was upgraded. Every accessory is made of real materials, carefully selected, and the dense circuit is integrated into a 10x10cm PCB Inside the board, it saves space and shows the perfect lightning effect. The optimized Tesla coil lightning arc is long and thick.
  • Connect to your phone and play the characteristic square wave music, and you can see that the arc of the Tesla coil is beating with the music. With the knob turned to medium power, you can touch the lightning with your hand, you will feel a little tingling, and you will appear extra powerful in front of your friends. At the same time, it is the perfect teaching tool to stimulate ....
Check Stock

Shure BLX4R Rack Mount Wireless Receiver - Transmitter Sold Separately

  • For this wireless system component to work, please make sure your transmitter and receiver match in frequency range (style).
  • Includes: (1) 1/2 Rack Receiver, (2) 1/4 Wave Antennas and (1) Single and Dual Rack Mount Kit.
  • Up to 12 compatible systems per frequency band (region dependent).
  • Microprocessor-controlled internal antenna diversity.
  • One-touch Quick Scan frequency selection quickly locates the best frequency.
Check Stock

BOND | Add Wifi to Ceiling Fan, Fireplace or Somfy shades | Works with Alexa, Google Home | Remote Control with App | Works with iPhone or Android

  • CONTROL CEILING FANS, FIREPLACeS, AND SOMFY SHADES FROM YOUR SMARTPHONE - BOND turns remote controlled fan, fireplace or Somfy shades (does not support garage doors) smart in seconds. Activate the fan, control fan speeds, and switch on lights—all from your iPhone, Android phone, tablet, Amazon Echo, or Google Home Assistant. With BOND, you’ll be able to use these smart devices to do whatever your remote control could do..
  • ALEXA AND GOOGLE-CERTIFIED - This device is certified by Amazon and Google to work with Alexa and the Google Home Assistant. Control your ceiling fan with voice commands. You’ll never need to reach for the light switch or the remote again. Controlling a ceiling fan and fireplace has never been easier!.
  • CONTROL UP TO THIRTY CEILING FANS - A single BOND can control up to thirty ceiling fans from one central location. The BOND can record and transmit RF (radio frequency) as well as IR (infrared) signals, so it will work regardless of what kind of remote you have. The area range is about 2,500 sq. ft. so you’ll be able to control fans in other rooms or on another floor..
  • NO INSTALLATION NEEDED - Set up is extremely quick and easy. Simply plug in the BOND device, download the app to your phone, point your fan remote a....
Check Stock

Diymore STC-3028 AC 110-220V 10A Digital Temperature Humidity Controller Dual Display Thermostat Humidifier Thermoregulator Heating Cooling Switch Digital Hygrometer with Probe

  • Power supply frequency: 50/60Hz, Note: There is no voltage output from the output terminal of the thermostat, the device needs to be connected to a power supply.
  • Temperature measurement accuracy: 0.3 °C.
  • Can be Used for Domestic Water Heater, Freezer, Refrigerator, Aquarium, Homebrewing Beer, Chicken Incubator, breeding, planting ect.etc, also suitable for Laboratories use and other temperature-controlled systems.
Check Stock

Sleep Aid Device, Hand-held Nighttime Sleep Aid Device, Micro-Current Intelligent Relieve Anxiety Depression Fast Sleep Instrument, Natural Sleep Aid Device, Physical Sleep Aids

  • ...rivation and insomnia fall asleep as soon as possible. At the same time, it has the function of relieving migraines, relieving anxiety and releasing stress.This sleep aids has Light weight,small size and easy portability,So it can be used in the office, home and business trips. USB charging is very convenient..
  • [Low Frequency Microcurrent ]Low-frequency pulse current microampere level, does not hurt the body's function, still helps sleep after discontinuing use, non-drug, no dependence, through the palm of the hand to pass current, avoiding the risk of direct stimulation of the brain current..
  • [Two Frequency Modes] Our sleep aids have two modes. Low frequency mode (sleep mode): low frequency for soothing and relieving anxiety frequency, held in the palm of your Left hand can accelerate to let you sleep peacefully. High frequency mode (excitement mode): high frequency for excitement and inspiration frequency, held in the palm of your Right hand can make you excited and energetic, work and study with more passion..
  • [Important Notes&Easy to operate] Our sleep aid automatically stops after 15 minutes of work,so you don't have to worry about the device being in working condition all the time.To make it work again please turn it off and on again.As each perso....
Check Stock

Winpest Solar Powered Snake Repellent for Yard, Snake Away Repellent Safe for Dogs, Get Rid of Snakes Snake Gone - 2 Pack

  • ...esistant and non-toxic. 3 unique intelligent working modes. Mode 2 and 3 (ultrasonic + electromagnetic wave) will change the frequency automatically to prevent pests from creating immunity to ultrasound..
  • ✅ Powerful Ultrasound Speakers: This indoor mice repellent is 8W power per device (16W in total) and a circuit-controlled chip that ensures a wide and stable frequency range, increasing the safety and effectiveness of the product..
  • ✅ Wide Coverage: Unlike similar products on the market, this ultrasonic pest repeller is suitable for indoor spaces of up to 140 square meters (280 square meters in total). The intelligent product construction with 3 ultrasound speakers that provide 180 degrees full coverage increases the range of use and effectiveness, suitable for most indoor spaces..
  • ✅ Safe to use: The AMZ BRAND Pest Repeller is human and pet friendly, keeping at bay all sorts of little enemies such as mice, rats, mosquitoes, flies, beetles, cockroaches, moths, ants, bedbugs and more. If Mode 2 and 3 cause discomfort for humans or pets, please switch to Mode 1..
Check Stock

Minoston Outdoor Smart Plug Wi-Fi Plugs Outlet with 2 Individual Control Sockets, Weather-Resistance, Work with Alexa, Google Home, 125V, 2.4 GHz Wireless Frequency, No Hub Required(MP24W)

  • Wireless Outdoor Smart Plug: NO HUB REQUIRED. This wifi smart plug is easy to Setup and just need to the wireless network to use. Only 2.4GHz Wireless Frequency is supported. 125V, 60Hz, Max.15A GP 15A Resistive, 1000W Incandescent 1000W Tungsten 1/3 HP.
  • Timer Schedule Setting: Schedules can be set through the app. Daily recurring schedule. No need to worry about forgetting to turn your device on or off..
  • 2 Individual Controlled Outlets: The smart outdoor plug has 2 independently controllable sockets. You can choose to control one of the sockets or control them at the same time..
  • Voice Control: This smart wifi plug is compatible with Amazon Alexa and Google Assistant. Connect the device to Amazon Alexa or Google Assistant for voice control..
  • Safety and Reliable: IP 65 weatherproof, suitable for outdoor use. FCC and ETL certified, safe and reliable..
Check Stock

Replacement for Vizio-Sound Bar-Remote，Backlit Display Remote for Vizio 5.1/2.1 Home Theater Sound Bar，for Vizio M/V/P Series Home Audio Sound System…

  • ...sic wirelessly from your phone. To pair the sound bar with a bluetooth device by press the bluetooth button:1)Press and hold the bluetooth button on the sound bar or remote control for 3 seconds.
  • 2)Search for the sound bar using your bluetooth device.
  • 3)Now you can play audio from your bluetooth device. Volume can be controlled on both your source device and the sound bar.
  • 【Remote Distance】The Replacement for Vizio sound bar remote supports infrared technology not RF(Radio Frequency) model. Buttons have been tested to support 5,000-8,000 clicks each buttons,and fastest response in 10 meters and also available about 12 meters.
Check Stock

AURSINC NanoVNA SAA-2N V2.2 Vector Network Analyzer 50KHz-3GHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Duplexer, Voltage Standing Wave Ratio, Phase, Delay

  • ✔️ NOTE: The new batch of SAA2N analyzers have been upgraded to the laser labeling on the control dashboard, so you might find it difficult to read at the first sight, the former labeling is easy to fade after long-time usage, and we are still working on it. PC Connection: the device can be controlled by PC via VNA-QT software,supported for Linux, Windows (7+), Mac OS planned. It also support Nanovna-Saver for extracting the data for display on a computer, and for saving to Touchstore files.
Check Stock

Dental Dual Frequency Ultrasonic Scaler System - Works 25k and 30k Inserts - MagnaStar

  • Dual frequency ultrasonic system, accepts 25 Khz & 30Khz inserts..
  • Automatically detecting function, no need to adjust any button..
  • Advantage of 30Khz frequency application: higher frequency softer stroke for more comfort to those sensitive-teethed patients.
  • Boost function controlled by 2-position foot switch provides extra power to remove heavy calculus. Press lightly for normal intensity, fully press for turbo mode..
  • Care more about oral hygiene: the handpiece sleeve is detachable and autoclavable..
Check Stock

FC-3000P Ham Radio CB Frequency Counter 27Mhz-3000Mhz - High Sensitivity with CTCCSS DCS Decoder for The VHF & UHF - CB Continuous Carrier Signal, Walkie-Talkies, DMR Radio Transceivers

  • ✔️ IDENTIFYING FREQUENCY - The frequency meter measures frequency parameters of the continuous carrier signal walkie-talkies , with signal strength indicator..
  • ✔️ PORTABLE FREQUENCY COUNTER - Counting continuous wave signal comes from Two-way Radio. VHF & UHF frequency measurement, useful for the CB amateur Ham Radio..
  • ✔️ FREQUENCY COUNTER METER RANGE - CB, HAm Radio, DMR frequency range 100Mhz-3000Mhz. Build-in DCS CTCSS Decoder Low PPM crystal time base used to achieve high accuracy measurement.
  • ✔️ EASY TO OPERATE - User friendly controlled with four buttons. The DMR radio frequency counter is compact and handy when needed..
  • ✔️ 100% MONEY BACK GUARANTEE 2 YEARS WARRANTY ensures this will quickly become your favorite no-risk purchase..
Check Stock

Zigzagmars Anti Bark Control Device, 2023 Newest Stop Dog Barking Deterrent with Adjustable Ultrasonic Level Rechargeable Waterproof Outdoor Sonic Bark Stopper for Small Large Dogs

  • Adjustable Sensitivity & Frequency - The anti barking device has 4 levels of sensitivity and 4 levels of frequency (15KHZ-30KHZ) adjustable. Different dogs may be sensitive to ultrasound in different frequency bands. Please turn the knob to test different frequency bands for best results. The dog device is suitable for dogs between 6 months and 8 years of age, except for dogs with hearing impairments or under 6 months and special large dogs..
  • USB Charging and Waterproof - Bark controller has IP4 level waterproof, the case is UV resistant and not easy to fade. It can be easily hung on a tree, indoor, outdoor wall or fence to stop any dog barking. And it uses USB charging, it can last at least a week on a single charge, no need to buy batteries frequently, saving you money..
  • Safe for Dogs and People - The Bark Control uses ultrasonic technology to allow humans to hear slight sounds but not affected by the sound, but dogs will be sensitive to these ultrasonic waves and other family members or neighbors will not worry about being affected. Ultrasounds do not inflict substantial penalties on dogs. Different dogs may be sensitive to ultrasound in different frequency bands. Please turn the knob to test different frequency bands for best results..
Check Stock