High Accuracy Radiation Detector Counter Meter Dosimeter with Large LCD Screen Dual-function design: measures both electric field and magnetic field radiation simultaneously Audible alarm alerts automatically when readings exceed safe levels One-touch data lock function to hold radiation values for easy reading on the LCD display Provides radiation assessment to indicate whether exposure levels are within safe limits Ergonomic and stylish design for comfortable handling, portable for convenient field measurements Specifications: 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