Ideal for environmental electromagnetic radiation testing i.e. bedroom, office, computer room, control room, cable, power lines, monitors, transmitters and other sources of measurement. Features: Simple operation and fast measurement Measures electrical appliances, wires and industrial equipment around the intensity of electromagnetic radiation Two types of bandwidth measurements, high-frequency and low-frequency (lowest up to 5Hz) Used in home electrical equipment, measurement of electromagnetic radiation: mobile phone, computers, televisions, copiers, fax machines, air conditioners and other power sources of test analysis. Specifications: Measurement time intervals: 0.4 seconds Operation voltage: 9V Battery: 9V (included) Measure frequency range: low frequency: 50Hz-400KHz; high frequency: 30MHz-2000MHz Operation temperature -15C - 60C Dimension: Approx. 132 x 70 x 30m