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 when radiation levels exceed safe thresholds One-touch data lock function to freeze and hold radiation readings for easy viewing Clear LCD display for convenient reading of measured values Provides radiation assessment to indicate whether levels are within safe limits Ergonomic and stylish design for comfortable handheld use; portable for 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 up to 80% (non-condensing)