High Accuracy Radiation Detector with Large LCD Screen One instrument for measuring both electric and magnetic field radiation simultaneously Sound and light alarm activates automatically when readings exceed safety thresholds Data hold function: one-touch lock of current radiation value for easy reading on LCD display Radiation safety assessment indicator shows whether measured levels are within safe limits Ergonomic design for comfortable handheld operation and portability for field measurements Specifications: Main Color: Orange Material: Plastic Accuracy: Electric Field – 1 V/m; Magnetic Field – 0.01 µT Range: Electric Field – 1–1999 V/m; Magnetic Field – 0.01–19.99 µT Alarm Threshold: Electric Field – 40 V/m; Magnetic Field – 0.4 µT Display: 3.5-digit LCD Test Frequency Bandwidth: 5 Hz – 3500 MHz Operating Temperature: 0°C – 50°C Operating Humidity: Relative Humidity