Top Threshold Detection

Wattstopper W-500A Ultrasonic Ceiling Occupancy Sensor

  • Turns lights on and off based on occupancy to reduce energy costs.
  • Adjustable time delay from 15 seconds to 15 minutes. Automatic or manual-on operation when used with a BZ-150 Power Pack.
  • Hallway and 500, 1000 and 2000 square foot coverage available. Ideal for open office areas, conference rooms and restrooms.
  • Advanced Signal Processing (ASP) circuitry automatically adjusts detection threshold.
  • LightOutput 1FCD: Automatic On/OFF. Load: 1 Amp @ 24VDC/VAC. Special Features: Solid State, Crystal-controlled.
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Anysecu SF-103 A-SF103 Portable Frequency Counter 2MHz - 2.8GHz for Two Way Radio Upgrade Version of SF401

  • ... RF SIGNAL DETECTION -- Wireless surveillance cameras, tracking devices and 2G, 3G, 4G SIM card bugs, GSM listening devices, magnetic locator, bugs can be detected via RF radio frequency antenna. Users can adjust the signal sensitivity by knob according to actual needs. The threshold is adjustable, frequency detection range is large.
  • MAGNETIC SIGNAL DETECTION -- Can detect magnetic locators, hidden bugs and GPS trackers installed on convert place in your car with magnetic field probes. MAG mode must insert and tighten the magnetic probe, adjust the signal to the 4-6 grid balance point, the alarm sound will stop.
  • WIDE APPLICATIONS -- can be used to find hidden cameras and listener search in homes, offices, hotels, motels, bathrooms, locker rooms, business negotiations, confidential meetings, government agencies, and to find GPS tracker in car, or as a scanner for daily use to prevent sneak shots and monitor magnetic field signals. Stay vigilant for your partner, family, business, and provide privacy protection.
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BTFDREEM Hidden Camera Detectors and Bug Detector, Hidden Devices Detector, Anti Spy Detectors, Spy Camera Detector, RF Wireless Signal Scanner for Home Office Travel

  • 【Wide Frequency Range】 The detection frequency range is 1MHZ~6.5GHZ.
  • Is able to detect modern communications, including GSM, 3G, 4G, 5G, Bluetooth and Wi-Fi 2.4G and 5.8G； 2 working modes: Sound and Vibration. 5-Levels adjustable threshold,Large range of frequency detection..
  • 【Portable & Easy to Use】With the antenna completely concealed inside this anti spy camera detector, the size is so small. It's very easy to carry. And you can conduct a covert sweep, especially when sweeping in sensitive areas that have hidden spy cameras.It is convenient to protect your personal privacy and business information security..
  • 【Upgraded Smart Chip&User Friendly Operations】Device to find hidden camera ,designed with the advanced smart chip,is more technical in every function,but easier in using. Following the instructions step by step,this hidden camera finder will be a considerate helper for you..
  • 【Quality Service】BTFDREEM 's technical support team takes 7*24 online service, you can contact us with any questions and we will ....
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3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

  • ... 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
  • 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
  • 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
  • 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe.
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Wi-Fi Water Level/Sump Monitor Sensor with Buzzer, email/Text Alerts - Proteus L5

  • Cloud enabled water/liquid level sensor. Get alerts when level crosses a set threshold. View live on cloud..
  • Connects to your home or office wifi. No hub or gateway required..
  • Ideal for water level monitoring, tank monitoring, basement sump pump water level detection.
  • Easy set up, with back mount power plugs directly into wall outlet.
  • Programmable alerts when water level goes above, or goes below set level..
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Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ WB DP Tester

  • Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available).
  • Stable NDIR Sensor for CO2 Detection. Ideal indoor air quality meter for home, laboratories, hotels, etc.
  • Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold.
  • Power Supplied by Battery (Included) or 9V Adaptor . Optional Software CD for PC Connection Online Logging is also possible..
  • Measuring Range:CO2: 0~9999ppm, Resolution : 1ppm,0.1°C/°F, 0.1%RH.
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GooSpy Hidden Camera Detector - Anti Spy / Bug / Listening Device / GPS Tracker / Detectors - Bug Sweeper - RF Wireless Signal Scanner for Home Office Travel

  • 【Professional Anti-spy Detector】With advanced AI chips, it's easy and quick to 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..
  • 【Wide Frequency Range】 The detection frequency range is 1MHZ~6.5GHZ.
  • Is able to detect modern communications, including GSM, 3G, 4G, 5G, Bluetooth and Wi-Fi 2.4G and 5.8G； 2 working modes: Sound and Vibration..
  • 【Adjustable sensitivity】 5-Levels adjustable threshold, Large range of frequency detection. 5-segment bargraph indicator Physical attenuator provides ability to locate strong RF sources..
  • 【Portable & Easy to Use】With the antenna completely concealed inside this anti spy camera detector, the size is so small. It's very easy to carry. And you can conduct a covert sweep, especially when sweeping in sensitive areas that have hidden spy cameras..
  • 【Professional Customer Support】Please contact us if you have any question or concern about our hidden camera detectors. We respond any question in 24 hours. Importantly, we supply 30-Day money back and 180-day free replacement for you..
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TORBAL FB50k Digital Force Gauge 10,000lbf x 2lbf Tension and Compression Built-in microSD USB RS232 Peak and Multi Peak Detection

  • Standard, Peak, Multipeak modes, Programmable Threshold, Peak Sensitivity Detection, Onscreen Stats.
  • Backlit LCD with Auto-Rotate Display automatically adjusts to the position of the force gauge.
  • microSD (SDHC Class 4) included with every force gauge, USB (B Type), RS232.
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Scat Cat Girl

  • 【GREAT VALUE TO PROTECT HOME】Upgraded Pet shock mat 60"x12" with improved detection efficiency keeps dogs and cats off furniture, counter, couch, sofa, tables, desk, chair, armchair, door, doorways, door threshold, floor, hallway, bed, stairs, plant, carpet, entertainment center, baby activity area, motorcycle, car, door gate, fireplace mantle, stove, standing, Christmas tree and trash can, more efficiency than most other pet deterrent or repellent, Enjoy better time with your pet friends..
  • 【CUSTOMIZE TO PETS TEMPERAMENT】This scat electric training mat for dogs and cats provides 3 training modes - Beep, Beep+Safe Static, Safe Static, it works for any size of cats and dogs in small, medium or large size, choose the pet shock mat in proper size for different area and use the suitable mode you need for pet training, It is recommended to use the "Beep + Static" mode at the beginning, and then the Beep mode when your pet reacts to the Beep sound..
  • 【SAFE TO USE】Powered by a 1 9V battery (not included), this shock mat for dogs and cats activates harmless and low-power electronic pulse to remind your cats and dogs to stay off prohibited areas, safely and effectively. To protect your pet, the electric pet training mat will be dormant for 200 se....
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Insteon Wireless Motion Sensor II, Automatically Turn Lights On/Off, 2844-222 -Insteon Hub required for Smarthphone Alerts

  • Turns on Insteon-controlled lights/appliances when motion is detected and then off after motion stops - 30 seconds or adjustable up to 40 min when using with Insteon Hub (2245-222).
  • Link with up to 24 devices & 30 feet detection range with up to 90° arc.
  • Mount on a wall, in a corner, or simply place on a shelf.
  • Adjustable day/night threshold - optional night-only mode prevents motion from turning lights on during the day.
  • Battery operated (included) or can be connected to Micro USB for always-on power and RF signal repeating (2822-222 cable sold separately).
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Minelab GPZ 7000 Gold Detector Holiday Bundle with Extra Li-ion Rechargeable Battery

  • Enhanced Z-Lynk Pinpointer: Pro-Pointer All Terrain Z-Lynk Pinpointer integrates with the included MS-3 Headphones to hear sounds directly through your headphones.
  • Wireless Z-Lynk MS-3 Headphones Included, Enhanced Detection Depth, True All-Metal Mode.
  • Includes AT MAX Hat, Pro-Pointer AT Z-Lynk Pinpointer and Garrett 50" Travel / Carry Bag.
  • LED Backlit Screen, Frequency 13.6 kHz, adjustable Ground Balance, Auto/Manual: High Resolution 175 pts Auto Ground Balance, Iron Audio, Iron Discrimination Segments: 44.
  • Threshold Adjustment, Electronic Pinpointing, Waterproof to 10 feet (3m), Freshwater / Saltwater Search Modes, Digital Target ID, Audio Tone ID, Notch Discrimination, 8 Sensitivity Adjustments, Fast Recovery Speed, Target Depth ID, 8.5x 11" DD PROformance Coil.
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Industrial Industrial Parts Chain Wheel 32-Tooth Industrial Accessories Robot Parts Sprocket for Industrial Robot

  • The ADXL345 is a small, thin, ultra-low power 3-axis accelerometer with high resolution (13 bits) and measurement range of ± 16g..
  • The digital output data is in 16-bit twos complement format and is accessible via SPI (3-wire or 4-wire) or I2C digital interface..
  • Its high resolution (3.9 mg / LSB) enables measurement of tilt angle changes of less than 1.0 °.
  • Low-power mode supports motion-based intelligent power management for threshold sensing and motion acceleration measurement with very low power consumption..
  • The ADXL345 is perfect for mobile device applications. It measures static gravitational acceleration in tilt detection applications as well as dynamic acceleration due to motion or impact..
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