Features: Multifunctional electromagnetic radiation detector, supporting electric field radiation detection, magnetic field radiation detection, radio frequency radiation detection. Built-in high-precisions electromagnetic radiation sensor, micro-controlled chip processor can quickly and accurately measure the value of electromagnetic radiation, accurate and fast measurement. Clear-definition backlit large screen, exceed the alarm threshold sound, light, display three alarm prompts, large screen more clear and easy to understand. The device has low battery indicator function. It is suitable for home appliances, power distribution rooms, electric vehicles, highspeeds train stations, signal tower, radio equipment, 5G signal and radio frequency, etc. Specifications: Material:ABS Test Ranges: Power density: 0-99.999w/c Electric field intensity: 0-999.99v/m Magnetic field strength: 0-99.999T Test accuracy: Power density: 0.001w/c Electric field intensity: 0.01v/m Magnetic field strength: 0.001T Frequency Range: Power density: 50MHz-5GHz Electric field strength: 20Hz-100MHz Magnetic field strength: 20Hz-1MHz Power by:3pcs AAA Batteries(not include) Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x EMF Meter