1. The electromagnetic radiation tester measures electric field and magnetic field radiation, providing accurate test results 2. Test and evaluate electromagnetic radiation levels in indoor and outdoor environments 3. Built-in electromagnetic radiation sensor with microprocessor control 4. LCD digital display shows radiation values 5. Helps manage or minimize exposure to electromagnetic radiation based on test results 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 T - 99.99 T Alarm threshold: 0.4 T Resolution: 0.01 T 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: 3 x AAA 1.5 V batteries (not included) Weight: 125 g EMF meter real-time measurement features: 1. Multi-function design, capable of detecting electric field, magnetic field, radiation, and temperature simultaneously 2. o and visual alarm alerts when preset threshold is exceeded 3. Data hold function, one-button locking of radiation value 4. LCD graph displays radiation value trend 5. Radiation assessment indicator provides immediate feedback on safety status 6. Sleek design, ergonomic for one-handed operation, convenient for portable or on-site measurements Dimensions: 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 image and the actual item. Measurement error allowance: +/- 1-3 cm