1. The electromagnetic radiation tester measures electric field and magnetic field radiation, providing accurate test results. 2. Test and monitor electromagnetic radiation levels in indoor and outdoor environments. 3. Built-in electromagnetic radiation sensor with microcontroller processing. 4. LCD digital display shows radiation values. 5. Use test results to manage or minimize exposure to electromagnetic radiation. Parameters: Electric Field Measurement: Range: 1 V/m – 1999 V/m Alarm Threshold: 40 V/m Resolution: 1 V/m Magnetic Field Measurement: Range: 0.01 µT – 99.99 µT Alarm Threshold: 0.4 µT Resolution: 0.01 µT Temperature Measurement: Range: -10°C to 70°C Display: 3-1/2 digit LCD Test Bandwidth: 5 Hz – 3500 MHz Sampling Time: Approximately 0.4 seconds Operating Temperature: 0°C to 50°C Operating Humidity: Up to 80% relative humidity Operating Voltage: DC 4.5 V Power Supply: AAA 1.5 V × 3 pcs (not included) Weight: 125 g EMF Meter Real-Time Measurement Features: 1. Multi-function design that detects electric field, magnetic field, RF radiation, and temperature simultaneously. 2. Sound and light alarm activates when safety threshold is exceeded. 3. Data hold function locks the radiation value with one press. 4. LCD graph displays radiation value trends. 5. Radiation assessment indicator provides real-time safety feedback. 6. Sleek design for one-handed operation, portable and convenient for on-site measurements. Size: 152 x 52 x 26.5 mm Material: ABS Color: Black Package Contents: 1 x Radiation Dosimeter 1 x English Manual Note: Light reflection and display differences may cause slight color variation between the product image and actual item. Measurement error allowance: +/- 1-3 cm.