Features 1. A detector has two purposes, and it has successfully tested the compatibility of electric and magnetic field radiation, achieving the best test results. 2. When the test result exceeds the safety value, the instrument will automatically alarm. 3. Data storage, clear LCD display, one click locking of radiation value, easy reading of radiation value. Radiation assessment can remind you whether the radiation value is safe. 4. Electromagnetic radiation monitoring: homes and apartments, offices, outdoor and industrial sites. 5. Electromagnetic radiation testing: radiation testing for mobile phones, computers, televisions, refrigerators, and high-voltage cables. Specification Reading display: 3-1/2 digit LCD display Test frequency bandwidth: 5Hz-3500MHz Sampling time: about 0.4 seconds Working temperature: 0~50 Working humidity: relative humidity less than 80% Working voltage: DC4.5V Power supply: AAA1.5V*3pcs (included) Material: ABS Color: Black Size: 17 x 6 x 4 cm Weight: 128 g Package Include: 1x Electromagnetic Radiation Tester