ITEM NAME:Electromagnetic Radiation Detector Digital Meter Dosimeter Test Counter Geiger W description: 100% new high quality It widely provides the user with a fast, reliable and easy way to measure the levels of electromagnetic field radiation around power lines, appliances and industrial devices. Color as shown 1 Material: ABS + plastic 2. Display: 3 1/2 digits (maximum indication 1999) 3. Range: 50Hz-2000MHz4. Number of axes: single axis 5. Sampling time: approx. 0.4 second 6. Voltage: 9V 7..Range: 50Hz-2000MHz4. Number of axes: single axis. 0.4 second.