High Accuracy Radiation Detector Counter Meter Dosimeter with Large LCD Screen. One instrument with two functions: it can test electric field and magnetic field radiation simultaneously. Features an ble alarm that activates automatically when the test result exceeds the safe threshold. Includes one-key data lock to hold the radiation value on the LCD screen for easier reading. Provides radiation assessment to indicate whether the measured radiation level is within safe limits. Sleek, ergonomic design for comfortable handling and easy portability, ideal for field measurements. Main Color: Orange Material: Plastic Accuracy: Electric Field: 1 V/m; Magnetic Field: 0.01 T Range: Electric Field: 1–1999 V/m; Magnetic Field: 0.01–19.99 T Alarm Threshold: Electric Field: 40 V/m; Magnetic Field: 0.4 T Display Mode: 3-1/2 Digit LCD Test Bandwidth: 5 Hz–3500 MHz Operating Temperature: 0°C to 50°C Operating Humidity: Relative Humidity up to 80% non-condensing