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 signal processing via control chip. 4. LCD digital display shows real-time radiation values. 5. Helps identify and manage exposure to electromagnetic fields based on measurement results. Specifications: Electric Field Measurement: - Range: 1 V/m to 1999 V/m - Alarm Threshold: > 40 V/m - Resolution: 1 V/m Magnetic Field Measurement: - Range: 0.01 T to 99.99 T - Alarm Threshold: > 0.4 T - Resolution: 0.01 T Temperature Measurement: - Range: -10C to 70C - Display: 3-1/2 digit LCD - Test Bandwidth: 5 Hz to 3500 MHz - Sampling Time: Approximately 0.4 seconds - Operating Temperature: 0C to 50C - Operating Humidity: Below 80% relative humidity - Operating Voltage: DC 4.5V - Power Supply: AAA 1.5V 3 (batteries not included) - Weight: 125g EMF Meter Real-Time Measurement Features: 1. Multi-function device capable of detecting electric field, magnetic field, temperature, and EMF radiation simultaneously. 2. Audible and visual alarm alerts when levels exceed preset thresholds. 3. Data hold function allows locking of measured radiation values. 4. LCD display shows radiation value trends graphically. 5. Radiation assessment feature provides indication of whether measured levels are within typical safety ranges. 6. Compact and ergonomic design for one-handed operation, suitable for portable use. Dimensions: 152 x 52 x 26.5 mm Material: ABS Color: Black Package Contents: 1 x Radiation Dosimeter 1 x English Manual Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and display settings may cause slight variations in color between the product image and actual item. Measurement error allowance: 13 cm.