Reviews Digital Sound Detector

NOPWOK EMF Meter Rechargeable Electromagnetic Field Radiation Detector Handheld Digital LCD EMF Reader Temperature Measure, Tester for Home Inspections, Outdoor and Ghost Hunting

  • 【Accurate Measurement】The EMF meter detector has built-in electromagnetic radiation sensor, which can display the radiation value on a clear LCD digital display by controlling the microchip. Optional units mG/µT for testing magnetic field radiation, V/m for testing electric field..
  • 【Sound Light Alarm】When the electric field value exceeds 40V/m, and the magnetic field exceeds 0.4µT or 4mG, the LED screen turns red, the indicator light flashes, and the buzzer alarms. If you find it noisy, you can long press the "AVG/VPP" button to turn off the sound..
  • 【Widely Used】EMF meters can measure electromagnetic fields, identify equipment that generates high radiation, and enable you to make decisions about limiting exposure. Mainly testing magnetic and electric fields, such as testing TVs, computers, refrigerators, printers, microwave ovens, cell phone towers, low-frequency appliances, ghost hunting, etc..
  • 【Multiple Functions】Short press "AVG/VPP" to switch test average or peak readings, short press "℃/℉" button to switch temperature units °F and °C. Detector will automatically shu....
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KII EMF Meter Deluxe Black - Paranormal Research Meter

  • ...iation 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 of the EMF detector exceeds the value(0.4µT (4mG) or 40V/m), the indicator will be flashing and the screen will turn red , and the buzzer will alarm. If you’re testing some quiet areas, you can close the buzzer first, avoid disturbing the others..
  • Multifunction of Radiation Detector: Testing average or peak value(Maximum) reading, and one key hold the data for a view. Auto power off after 5 minutes without operation. Measuring the temperature in the air with unit ℃/℉.Large and back-light LCD is clear for viewing. ghost detector.
  • Electromagnetic Radiation Test: ghost detector, mobile phone, computer, TV set, refrigerator and high voltage cable radiation test.Radiation protection product test: test effects of radiation-proof clothes, radiation-proof film and other prevention articles..
  • Easy to Carry- Small pocket size and light weight design makes it more popular with users.
  • the free charging cable makes it more convenient for you to use anywher....
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Carbon Monoxide Meter Detector, Handheld CO Detector, Portable CO Gas Leak Detector, Gas Analyzer, High Precision Detector, CO Gas Monitor Tester 0～1000ppm for Home, Tunnels, Steel Works Wait

  • ✅【HIGH QUALITY CO DETECTOR】The carbon monoxide detector is a device that detects the presence of carbon monoxide gas in an area, usually as part of a safety system that carbon monoxide meter handheld can accurately monitor the surrounding environment and is used to detect carbon monoxide gas leaks and remind the operator to take relevant measures..
  • ✅【ACCURACY AND DURABILITY】 This handheld carbon monoxide detector is equipped with an LED Backlit screen that can easily handle environments such as darkness, making it easy to read and freeing you from the constraints of time and place. Carbon monoxide meter is made of high tenacity ABS engineering plastic, which is wear-resistant and stable, with low power consumption and high accuracy..
  • ✅【MULTI-FUNCTIONAL】The carbon monoxide meter handheld concentration alarm value can be set freely. Carbon monoxide tester will also sound an alarm when the carbon monoxide gas concentration is at a low danger value, and will automatically shut off without any operation within 10 minutes. Portable carbon monoxide detector has a wide measurement range and can carbon monoxide detectors be switched to 2 temperature units (°C and °F) is very practical..
  • ✅【WIDELY APPLICABLE】The digital carbon monoxide de....
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2021 Newest 5G Rf Detector, Spy Finder Hidden Camera Detector, Bug Detector & Camera Finder, Military Grade, Wireless Camera Detector for GPS Tracking GSM Finder, MAZEBLITZ

  • Detector of bugs and digital transmissions, Radio Frequency. The MAZEBLITZ is a new class of counter surveillance device. Unlike all typical searching devices it can detect modern 'hidden' bugs which use such protocols as Bluetooth and Wi-Fi at a long distance. Such bugs, especially Bluetooth types, are practically undetectable by common RF detectors due to their very low transmitted power and special type of modulation.
  • In addition the unit can detect all 'classical' bugs and inspect them for the presence of correlation by sending sound impulses as well as other digital transmissions at a standard distance (GSM, 3G, 4G , 5G DECT, etc.) The unit which you have selected is not a slightly improved version of the old device, but a completely new, revolutionarily changed sweeping tool..
  • 3. Magnetic field signal detection,install the magnetic probe,turn on the power, press the strong magnetic detection switch, the purple indicator on the top of the magnetic prob after the light is on,enter the magnetic field signal detection standby,and the magnetic field induction probe is close to the magnetic field source, before the white LED of the the terminal LED light up and the buzzer alarm..
  • SPY DETECTOR: wide-band antenna (for ANT1 socket) Wider coverage, particul....
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Indoor Air Quality Monitor Accurate Tester for CO2 Formaldehyde HCHO TVOC PM2.5 Multifunctional Air Gas Detector Real Time Data&Mean Value Recording for Home Office

  • 【MULTIFUNCTIONAL& AIR QUALITY MONITOR】 its available for 8 types of data, Total control of air quality，Formaldehyde(HCHO), Volatile Organic....
  • 【HEALTHY HOME?】For everyone,It's necessary to know the air quality of the place where you live.This air monitor have LCD Digital Color Screen,....
  • 【EASY TO OPERATE】Air Quality Detector has a 1500mAh rechargeable lithium battery and packed with Type-C cable that can last up to 4-5 hours. its....
  • 【COLOR AND SOUND ALARM】You can rate detector real-time tests and analyze, Risk Levels with Time Display, When the Normal is exceeded, the detector....
  • 【APPLICATION RANGE】Home, Office, Car, Hotel, Kitchen, Bedroometc. Its unit weight is 240g, and can be carried with you for testing at any time,....
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Dooreemee GPS Tracker Detector for car,Anti spy Detector，Wireless Hidden Camera and Bug Detector,Ultra-high Sensitivity GSM Device Finder-Personal Privacy Protection Equipment - G318

  • 【Super-high sensitivity with adjustable threshold, stronger anti-jamming, wider range of detection frequency】: The RF signal detector accurately detect and find the 5.8GHZ mini hidden camera, 1.2G/2.4G wireless IP cameras, 2G.3G.4G Cards with bugs and locators, high-speed uploading vehicle watch GPS trackers and CDMA 4G signals to prevent be pursued, monitored and intercepted..
  • 【Detect Wireless Signals 】: The wireless detector adopting digital receiving mode can detect whether there is intense radio signals radiation around the living and working environments, whether there is strong electromagnetic radiation leaks to do harm to our health from the household appliances, such as refrigerators, TV, computers, air conditioning, or suspicious wireless signals..
  • 【Widely Use】: The GPS tracker detector can use for home, office, hotel, car, bathroom, changing room, business negotiation, confidential session, factories, important workshop and research room, military installation, government agencies, entertainment venues or as a monitor for school examinations to prevent eavesdropping, being photographed, shooting videos or radiation damage..
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Easy to Understand; Metal Detecting Guidebook: A worthwhile guide: With Useful Tips, Expert Tricks And Beginner Secrets!

  • *TOP METAL DETECTOR FOR ADULTS. This adults metal detector is an exciting new addition for both professionals and enthusiasts. Offers 5 upgraded modes including Pinpoint Mode, All metal, Discrimination, Memory, and Jewelry. Innovative Memory Mode allows you to only detect one metal type that you want. Locate exactly what you want in far less time..
  • * LARGE LCD DISPLAY has a big clear 3" x 2.2" screen that is easy to read. Backlight lets you work in the dark for a great deal more flexibility. 3 display modes to easily identify the type of metals you are detecting. Displays digital image and sound with multiple settings for customization..
  • * 9.8" WIDE SEARCH COIL is so powerful it can locate a quarter coin up to 10" underground. This waterproof metal detector can find larger objects at even greater depths. The coil is IP68 waterproof and works well in shallow water..
  • * ADJUSTABLE STEM & SENSITIVITY. 42.7" to 53.5" adjustable length suits for adults of different height and is also suitable for kids. With 5-level sensitivity, you can adjust the sensitivity to counteract some interference factor....
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NGPOPX Natural Gas Detector, Digital Display Combustible Gas Detector Home Gas Leak Alarm, Sensor, Tester, Sniffer Kitchen, Monitor Combustible Gas Level Methane, Lpg, LNG; Voice & Light Warning

  • COMING WITH MOUNTING ACCESSORIES: Combustible gas detectors are limited to indoor use, just drill holes in appropriate positions, and done.
  • It can be used in home kitchens, bathrooms, living rooms, game rooms, study rooms, basements, storage rooms, cellars and other places..
  • WIDELY USED: Natural gas detectors and the effective monitoring range is 110-160 square feet. If it exceeds this range, we recommend that you install multiple detection alarms..
  • SOUND WARNING: Gas Leak Detector offers Voice Notification and a digital readout of the GAS concentration.accurately monitor leaked gas.When gas leak concentration reaches presetting level, the alarm provides a visual and audible signal..
  • EASY INSTALLATION:Natural Gas Detector adopts Easy-to-install Design, can be used by plugging directly into the power socket to detect leaked gas.Voltage 110V ~ 220V can use it..
  • PRECAUTIONS: Gas leak detector The system warm-up time is about 1-2 minutes. During this time period, the gas test will not work. You need to wait for the display to show 0 before it can be tested normally..
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Metal Detector Wand - Handheld Security Metal Detector, NGTeco High Accuracy Safety Bars for Lumber Woodworking Adjustable Sensitivity Sound Vibration Alerts with Rechargeable Battery

  • *TOP METAL DETECTOR FOR ADULTS. This adults metal detector is an exciting new addition for both professionals and enthusiasts. Offers 5 upgraded modes including Pinpoint Mode, All metal, Discrimination, Memory, and Jewelry. Innovative Memory Mode allows you to only detect one metal type that you want. Locate exactly what you want in far less time..
  • * LARGE LCD DISPLAY has a big clear 3" x 2.2" screen that is easy to read. Backlight lets you work in the dark for a great deal more flexibility. 3 display modes to easily identify the type of metals you are detecting. Displays digital image and sound with multiple settings for customization..
  • * 9.8" WIDE SEARCH COIL is so powerful it can locate a quarter coin up to 10" underground. This waterproof metal detector can find larger objects at even greater depths. The coil is IP68 waterproof and works well in shallow water..
  • * ADJUSTABLE STEM & SENSITIVITY. 42.7" to 53.5" adjustable length suits for adults of different height and is also suitable for kids. With 5-level sensitivity, you can adjust the sensitivity to counteract some interference factors and find the target faster. Spend far less time detecting while finding more exciting precious metals and antique artifacts..
  • * PERFECT GIFT WITH ACCESSORIES. You ca....
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