Check the listing for details. GM3120 Digital Meter Dosimeter Electromagnetic Radiation Detector Tester O3O2. Color: Orange, Condition: New. Listed at 24.99 USD. This meter can test electric field radiation and field emission to reach the optimal test . It is used to test and learn electromagnetic radiation situation indoor and outdoor. It is equipped with a built-in electromagnetic radiation , which can display the radiation value on the LCD digital display after processing by control micro-chip. Features: instrument with two uses, it can test the electric field and the field radiation at the same . Sound-light alarm, when the test exceeds the value, the instrument will alarm automatically. Data locking, - lock of the radiation value. LCD display of the values for easier reading. Radiation assessment, remind you whether the radiation value is or not. Fashionable design, easy on-hand operation, its easy to carry and make field measurement. Specifications: Color：Orange + Black Material: Unit: V/m (Electric Field); μT( Field) Accuracy: Electric: 1V/m; : 0.01μT : Electric: 1-1999V/m; : 0.01-19.99μT Alarm Threshold: Electric: 40V/m; : 0.4μT Display: 3-1/2 LCD Display Test Bandwidth: 5Hz-3500MHz Sampling : Approx. 0.4 Seconds Test Mode: Bimodule Synchronous Test Over Indication: LCD Displays "1" Operating Temperature: 0°C-50°C Operating Humidity: Relative Humidity