Features 1. The instrument can test electric field radiation and magnetic field emission to achieve the best test results. It can test the radiation of houses, apartments, offices, outdoor and industrial places. 2. Used to test indoor and outdoor electromagnetic radiation. Support the radiation test of mobile phone, computer, TV, refrigerator and high-voltage line. 3. One instrument with two uses, including electric field and the magnetic field radiation test, which displays the radiation value on the liquid digital display screen. 4. With audible and visual alarm function, it can automatically alarm when exceeding the safety value to ensure safety. 5. With data locking function, press one key to lock the radiation value to prevent data loss. Specification Material: ABS Color: Black Size: 1812.55.5cm / 7.094.922.17in Weight: 244g Range: 1V/m-1999V/m, 0.01T-19.99T Alarm Threshold: 40V/m, 0.4T Display: 3- 1/2 bit Test Bandwidth: 5Hz-3500MHz Sampling Time: 0.4 seconds Measurement Mode: Simultaneous Dual Mode Overload Indication: Maximum Value of LCD Measurement Range Working Temperature: 0C~50C Operating Humidity: Relative Humidity; 80% Working Voltage: 3.7V Lithium Battery Package Include: 1 Radiation Detector 1 USB Cable 1 Instructions