This multifunctional electromagnetic radiation detector is 3in1 design, supporting electric field radiation detection, magnetic field radiation detection, RF radiation detection. Built-in high-precision electromagnetic radiation sensor, accurate and fast measurement. Digital backlight display, exceed the alarm threshold sound, light, display three alarm prompts, large screen more clear and easy to understand. With unit switch, automatic shutdown, maximum mode function. Features: 3in1 Design: Multifunctional electromagnetic radiation detector, supporting electric field radiation detection, magnetic field radiation detection, RF radiation detection. High-precise Sensor: Built-in high-precision electromagnetic radiation sensor, micro-controlled chip processor can quickly and accurately measure the value of electromagnetic radiation, accurate and fast measurement. Premium Quality: Comfortable soft rubber keys, anti-slip texture on the side for not easy to fall, wear-resistant pad on the bottom to protects the machine. Digital Display & Automatic Alarm: Clear-definition backlit large screen, exceed the alarm threshold sound, light, display three alarm prompts, large screen more clear and easy to understand. Unit Switching: The magnetic field radiation intensity of this instrument has two units: mG and uT, users can switch according to their needs. Automatic Shutdown: The device has an automatic shutdown function by default and supports closing the automatic shutdown function. Switching Maximum Mode: The instrument defaults to real-time measurement mode each time it is turned on, and supports switching to maximum mode. Wide Applications: It is suitable for home appliances, power distribution rooms, high-voltage towers, electric vehicles, high-speed train stations, signal towers, weak wells, radio equipment, 5G signal and RF, etc. Specifications: Name: Electromagnetic Radiation Tester Material: plastics Battery: 1 * 9V battery (not included) Sensitivity: EF: 1V/m MF: 0.1mG or 0.01uT RF: 0.01mW/ Measurement ranges: EF: 1-1999V/m MF: 0.1-999.9mG or 0.01-99.99uT RF: 0.01-19.99mW/ Alarm threshold: Safety: EF 40V/m, MF 4mG, RF 5mW/ Alert: EF 40-80V/m, MF 4-8mG, RF 5-10mW/ Avoids: EF 40V/m, MF 8mG, RF 10mW/ Measurement accuracy: 5% Measurement bandwidth: 50Hz-3500MHz Automatic shutdown: default 15 minutes, can be closed Working temperature: -10 to 60 Working humidity: 80%RH Item size: 147 * 68.5 * 28mm / 5.79 * 2.70 * 1.10in Item weight: 132g / 4.66ounce Package size: 184 * 83 * 40mm / 7.24 * 3.27 * 1.57in Package weight: 215g / 7.58ounce Packing List: 1 * Electromagnetic Radiation Tester 1 * Guideline 1 * Cloth Bag