Brand new and high quality Ideal for household appliances, Office, computer room, control room, cable, power cables, monitors, etc. To measure electromagnetic radiation from cell phones, computers, copiers, fax machines, air conditioners, refrigerators, etc. Display: 3 semi liquid crystal display, maximum read low frequency: 1999V / M frequency: 1999W/cm2 Level: low frequency: V / m, high-frequency: - W / cm2 Measuring time intervals: 0.4 seconds Power supply: 9V Battery(Not included for safe transportation) Frequency range: 50MHz-2000MHz Operating temperature:-15 C to 60 C. Dimensions: 132 X 69 X 29mm Note: Radiation from computers and cordless phones can not compete due to the low emission. Package includes: 1 x Radiation monitor 1 x user manual