Read Display: 3-1/2 digit LCD Range: 1V/m-1999V; Accuracy: 1V/m; Alarm Threshold: 40V/m Electric Field (V/m): Test Mode: Dual-mode simultaneous test 3. LCD graphic display of radiation value trend; 2. Data locking, one-key locking of radiation value; Power: AAA 1.5V * 3 (delivered without battery) Operating Humidity: ≤ 80% RH Test Bandwidth: 5MHZ~3500MHz Parameters: Magnetic Field (uT): 4. Radiation assessment, to remind you whether the current radiation value is safe; Weight: 125g 5. Fashionable appearance, easy to use with one hand, easy to move or field measurement. Range: -10C-70C; Precision: 0.1C/F Operating Temperature: 0℃~50℃ 1. Audible and visual alarm, automatic alarm when safety threshold is exceeded; Size: 152 * 52 * 26.5mm Functional Features Range: 0.01uT-99.99uT; Precision: 0.01uT; Alarm Threshold: 0.4uT Working Voltage: DC4.5V Temperature (C/F): Sampling Time: about 0.4 seconds Packing List: 1 * Electromagnetic Radiation Detector