High Accuracy Radiation Detector Counter Meter Dosimeter with Large LCD Screen. This instrument serves two purposes, capable of testing both electric field and magnetic field radiation simultaneously. Features an audible alarm that activates automatically when the measured value exceeds safe levels. Includes a data lock function for one-touch locking of radiation values, with clear LCD display for easy reading. Provides radiation assessment to indicate whether radiation levels are within safe limits. Designed with a modern style for comfortable handheld use, lightweight and convenient for portable field measurements. Main Color: Orange Material: Plastic Accuracy: Electric Field: 1 V/m; Magnetic Field: 0.01 T Measurement 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 Type: 3-1/2 Digit LCD Frequency Bandwidth: 5 Hz – 3500 MHz Operating Temperature: 0°C to 50°C Operating Humidity: Relative Humidity