ReviewsBattery Powered Signal Detector

VIVOHOME Metal Detector Waterproof with Headphone Shovel for Adults Kids, Adjustable Length 41-52 inch, High Accuracy with a HD LCD Screen, Varied Smart Modes

LCD SCREEN - The VIVOHOME Metal Detector features a control box that contains all control buttons with a high-definition LCD screen that displays setting information such as metal type, depth, and sensitivity.
There is also a battery indicator on the screen to remind you of replacing battery timely.
The sensitivity is adjustable by pressing "+" or "-".
HIGH SENSITIVITY - Powered by 2 x 6F22/9V batteries (included), this metal detector has both an alarm and a light that signal detection.
3 distinct sound signals (high, medium, and low) match different types of metal, making this perfect for finding coins, rings, watches, bottle tops, nails, locks, and other small objects.
The green light means non-ferrous metals were detected, such as copper, aluminum, gold, and silver materials.
The red light is a sign of iron metal being detected.
VARIED SMART MODES - This waterproof metal detector can locate gold, silver, copper, iron, nickel, and zinc by using different modes.
In SENS mode [without DISC], the detector is available for detecting all kinds of metal.
By using DISC mode, you can discriminate a specific kind of metal.
With the pinpoint button on the handle, you can accurately target and locate exact positions of the desired object.

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Autrictop A9 Decent Hidden Camera Detectors, Hidden Device Detector for Hidden Camera, Portable Wireless Bug Detector with 3 Professional Modes, 5 Levels Sensitivity, Travel Office Home

The Only Detector You Need - Throw your old detectors away. Autrictop A9 Decent has the technology you need to protect your privacy from leaking. Can effectively detect cameras, eavesdropping devices, gps trackers and etc..
Superior Detection Technology - Radio frequency detector can detect radio waves, 2G, 3G, 4G mobile signal, SIM card bug. Frequency detection range 1Mhz - 6.5Ghz. Innovative design and upgraded chip allow you to much more accurately find the signal source..
Versatile Protection - Camera detection, UG magnetic field signal detection, RF wireless signal detection. Autrictop’s technology ensures a complete protection for your privacy..
Fast & Enduring - Rechargeable lithium-ion battery, one hour fast charging, standby time can up to 30 days. This rf detector serves as a reliable privacy protector or handy travel companion..
Downsized Design - Autrictop makes our latest detector lighter without sacrificing a drop of power. Only 30g, at 70% lighter than other anti spy detectors. Giving you just as much privacy protection..

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FIRST ALERT Carbon Monoxide Detector, No Outlet Required, Battery Operated, 2-Pack, CO400

Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms.
Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.
Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.
A loud 85-decibel alarm sounds when CO levels reach dangerous levels.
To ensure complete protection make sure to place one on each level of your home and in each bedroom.
Equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety.

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KAMAWO Hidden Camera Detectors,Hidden Devices Detector,Infrared Camera Sweeper,Camera Detector,Spy Camera Detector,Bug Detector, Spy Detector,Hidden Camera Finder

【56dB dual antenna】The hidden camera detector built-in 56dB dual antenna. It can detect radio waves, 2G, 3G, 4G，5G mobile signal, wireless signal transmitter，wireless signal camera，SIM card bug. Frequency detection range 1Mhz - 6.5Ghz.It can prevent you from being tracked, located, and eavesdropped..
【Six infrared laser lights】The spy camera detector is equipped with six high-power laser infrared lights, which can all-round scan. Mainly for wired hidden cameras, wireless hidden cameras. Combining the detector with the infrared filter lens makes it easier to spot cameras hidden in the dark..
【New A9Pro Upgrade Chip 】The hidden camera detectors are equipped with the 9th generation new upgraded microprocessor , working more intelligently and accurately, with strong anti-interference, ultra-far detecting range, long-lasting battery life..
【Compact and Portable】The hidden camera detector is very small and lightweight, only 48g.Easy to take on your travels. Very convenient to put in your purse, cosmetic bag, backpack, pocket.300mAh rechargeable Li-ion battery, can work continuously for 5 hours..

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WEIFUTCH Hidden Camera Detectors, Anti Spy Detector, Spy Camera Finder, Bug Detector, Listening Device Detector, GPS Tracker Detector, RF Signal Detector for Home, Office, Hotel

【Privacy Protect Detector】 The receiving frequency range of this hidden devices detector is 1Mhz to 6.5Ghz within 10 meters. Therefore, it can quickly detect wireless hidden cameras, VHF/UHF transmitters, GSM/3G/4G bugs, GSM/3G/4G GPS trackers, wireless signal sources and strong magnetic field signals, etc. Hidden camera finder can not only protect your own privacy but the privacy of the ones you love, the ones around you..
【4 in 1 Hidden Camera Detectors】 1. RF signal detection to detect active RF bug transmitters like transmitting cameras, GPS trackers, and wireless audio bugs. 2. Camera Lens Finder&Camera Detector to spot the hidden pinhole camera by a simple visual inspection with the new technology of infrared laser scanning. 3. Magnetic Field Detection to find the unwanted widely used magnetized GPS trackers. 4. Flashlight, no more worries even in a dark environment..
【Upgraded Ultra-sensitivity Chipset】 This anti spy detector uses an Innovative design and upgraded chip, enabling the RF bug detector to work more intelligently and accurately, with strong anti-interference, ultra-far detecting range, comprehensive signal accumulation, algorithm, and long-lasting battery life. With upgraded ultra-sensitive chips, this camera detector has....

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Hidden Camera Detectors Anti Spy Detector Hidden Devices Spy Camera Bug RF Listening Device Car GPS Tracker Detector Wireless Signa

【Multifunctional Privacy Protect Detector】Receiving frequency range of this hidden devices detector is 1Mhz to 6.5Ghz. Therefore, it can quickly detect wireless hidden cameras, VHF/UHF transmitters, GSM/3G/4G bugs, GSM/3G/4G GPS tracker, wireles signal source and stronge magnetic field signal, etc.Whether in private spaces such as hotels, cars or bedrooms, or in places where privacy is easy to leak, such as conference rooms, fitting rooms or even public toilets, it is a very suitable choice..
【4 in 1 Hidden Camera Detectors】 This hidden camera detectors incorporates 4 features.1. RF Signal Detection to detect active RF bug transmitters like transmitting camera,GPS tracker,wireless audio bug. 2. Camera Lens Finder&Camera Detector to spot the hidden pinhole camera by a simple visual inspection via infrared laser scanning. 3. Magnetic Field Detection to find the unwanted widely used magnetized GPS trackers. 4.Flashlight, no more worries even in dark environment..
【Upgraded Ultra-sensitivity Chipset】 With R&D upgrades, new microprocessors are embedded, enabling camera detector working more intelligently and accurately, with strong anti-interference, ultra-far detecting range, comprehensive signal accumulation and algorithm, long-lasting ba....

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Hidden Camera Detectors,Hidden Devices Detector,Anti Spy Detector,Bug Detector, Listening Device Detector, RF Signal Detector,GPS Tracker Detector

【Upgraded Version of The Bug Detectors Anti-spy Detector】BTFDREEM M8000 detector using advanced chip technology in Germany, professional radio wave detection device, detection frequency range of 1MHz-12GHz.
less than 0.03mw detection make it for high sensitivity, wireless camera detection range up to 36 ㎡.
built-in 3.7v & 1500mAH battery, aluminum alloy body with strong anti-interference ability, equipped with searchlight magnetic induction Flexible antenna..
【4 Detection Modes】:This Anti Spy Detector has 4 detection modes: RF signal detection, magnetic field detector, automatic detection of ultra-small hidden camera detector and infrared detection.Three danger levels are displayed above and when a hidden device is detected the signal light will point to a higher danger level..
【Long Standby and Ease of Use】Built-in 1500 mAh battery, support continuous work for about 20-45 hours, standby time of about 45 days, do not always worry about the power problem.
mini-portable design, you can put the wireless audio bug in a backpack or pocket, take it anywhere you want to go..
【Security Protection】 This RF detector can be used in homes, offices, hotels, motels, cars, bathrooms, locker rooms, business negotiations, confidential meetings, go....

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Jepwco G4 Pro Anti Spy Detector for Wireless Audio Bug Camera, Bug Detector, Privacy Protector, 5 Levels Sensitivity, 25H Working Time, Portable Pen Shape, Home Office Travel

Privacy safety - This RF signal detector can detect eavesdropping devices, pinhole cameras, wired and wireless hidden cameras, GPS locators and etc. Can effectively prevent your privacy leaks..
Signal detection - Can detect radio waves, 2G,3G,4G mobile signal, SIM card bug. Frequency detection range 1Mhz - 6.5Ghz. Help you trust the surrounding environment..
Ultra-sensitivity - With upgraded ultra-sensitive chips, this camera detector has 5 levels of sensitivity, which allow you to accurately find the signal source..
Battery life - Rechargeable lithium-ion battery (up to 25 hours of use per charge)..
Lightweight - Portable like a pen (only 30g), easy to carry and store. Perfectly for home, office, travel, car and etc..

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Anti Spy Detector,Bug Detector,M8000 RF Signal Detector Anti Tracking Strong Magnetic Detector for Wireless Audio Bug Camera Detector Finder with Extra Mini Anti Spy Camera, 2021 Upgraded Version

★【2021 Upgraded Anti Spy Detector】:Seesii M8000 anti spy detector uses German advanced technology, built in the latest upgraded chipset, which can provide artificial intelligence analysis, strong anti-interference, high sensitivity, wide frequency detection range and longer working time. With Searchlight magnetic sensor antenna,easy to use,easy to search the spy cameras in car,office,room anywhere..
★【4 Detection Modes & LED Colorful Screen】:This hidden camera detector has 4 detection methods：RF signal detection, Magnetic signal detection, Automatic detection and infrared detection of extra mini anti spy camera.Exactly locate the hidden devices in your home and car.Come with the LED display, three danger levels showed on it, when the hidden device is detected, the signal led will point to a higher danger level. Very easy to operate..
★【Easy To Use,Mini & Portable】:Mini and portable design,you can take the wireless audio bug camera detector finder the anywhere you want.Definitely a belongings for your travel and a stay in hotel.Easy to use,with audible buzzer alarm and vibration alarm,the closer the detector to device,the louder and faster the alarm becomes.The sensitivity can be adjusted to meet the detection range.Continu....

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MySpool Water Level Alert with Text Message and Email Notifications, Battery Powered with a Float Sensor

Email and text message notification when water level change is detected. All services are free..
Battery powered wireless water level detector using your WiFi, no app to install and no hub is required. Perfect as a standalone high or low water alarm..
Waterproof float sensor with a 3 ft wire connected to a rugged enclosure protecting smart electronics. This float sensor can be used to detect high or low water levels, the default setting detects high water levels. Flip the float ring and use this device to detect low water levels in aquariums, ponds, and storage tanks..
Alert is sent if the float rises to signal high water level. Flip the float ring to send alert when water level falls. 3 AAA batteries, included, last for years with limited activity..
Rugged enclosure supports up to 250 lbs, designed to operate in dusty and moldy environments. Avoid costly repairs by keeping MySpool Water Detector anywhere that has the potential for flooding or developing a leak..

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Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with Battery Backup, Voice Alerts, Contractor 6 Pack

This First Alert combo pack will help keep you and your family safe.
it includes one First Alert carbon monoxide alarm and one First Alert smoke alarm, and both are battery-operated for continuous monitoring, even during a power outage.
Carbon monoxide detector features electrochemical sensing technology to detect leaks from multiple sources.
smoke alarm uses an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire.
Both the smoke alarm and carbon monoxide detector feature a loud 85-decibel alarm, a single test/silence button, and an end-of-life signal so you know when to replace the unit.
each unit operates with one 9-volt battery, and is UL listed.
Smoke alarm features a low battery alert, a missing battery guard, a side battery drawer that slides open for easy battery replacement, a blinking power indicator, and an optional pin to lock the battery and unit in place for tamper resistance, plus offers a 10 year limited.
carbon monoxide detector offers a 5 year limited.
To ensure complete protection make sure to place one carbon monoxide detector on each level of your home and in each bedroom.

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