Electromagnetic radiation tester successful electric field radiation, magnetic field radiation compatibility test and achieve the best test effect, used to test and understand the status of electromagnetic radiation indoor and outdoor environment. Product built-in electromagnetic radiation sensor, through the microcontrol chip processing, to LCD digital display radiation value. According to the test results,electromagnetic radiation should be treated reasonably or avoided effectively. Features: 3-in-1 Function: This tester combining three testing functions on one machine, it can detect the electric field, magnetics field radiation and temperature for you. Sound&Light Alarm: When the detected data beyond the safety value, it will emit sound and light to alarm you. Data Hold Function: One button lock radiation value for you to read the detected data more convenient. Portable Size: The small size of this tool is very convenient for everyday use, you can hold it in one hand to use easily. Digital Display: The LCD display screen has the backlight. Clear display of electric field, magnetic field, and temperature detection data Battery Installation: Adopt 2 * 1.5V AAA battery, easy to replace with automatic shutdown function, more environmentally friendly Wide Applications: This tool can be used in your home, office, outdoor and indoor, computer, TV, refrigerator, etc. Specifications: Electric Field Detection Range: 1V/m-1999V/m Electric Field Detection Precision: 1V/m Electric Field Detection Alarm threshold: 40V/m Magnetic Field Detection Range: 0.01T-99.99T Magnetic Field Detection Precision: 0.01T Magnetic Field Detection Alarm threshold: 0.4T Model: GN902 Screen Display: LCD backlit screen Unit Switching: uT/mG / Reading Display: 3-1/2 LCD Test Bandwidth: 5HZ-3500MHZ Sampling Time: About 0.4 seconds Test Mode: Average / Peak Mode Buzzer Switch: √ Low Battery Prompt: √ data Retention: √ Auto Power Off: √ Sound And Light Alarm: √ Working Voltage: 3V Operating temperature: 0-50 Operating humidity: ≤80 % PH Overload Tips: LCD display range maximum value Electromagnetic Radiation Monitoring: Home , office , outdoor , industrial . Electromagnetic Radiation Detection: Mobile phone , computer , TV , refrigerator, high voltage cable Radiation Protection Supplies Inspection: Effect inspection of radiation protection clothing, radiation protection film and other protective equipment Power supply: 2 * 1.5V AAA battery(not included) Material: ABS Item Size: 150.5 * 32.8 * 25.5 mm / 5.92 * 1.29 * 1 inch Item Weight: 53g/1.87oz Package Size: 200 * 55 * 44mm / 7.87 * 2.16 * 1.73 inch Package Weight: 106g/3.74oz Package List: 1 * Electromagnetic Radiation Tester 1 * Screwdriver 1 * User Manual (English)