Feature: 1. Accurate Detection: Utilizing advanced technology, this meter can accurately measure the radiation value of computers and other electromagnetic radiation sources to ensure user safety. 2. Radiation Protection: Helps children and pregnant women at home to avoid prolonged exposure to electromagnetic radiation and provides a healthy electromagnetic environment. 3. Convenient Portability: Designed to be handheld for easy carrying and use, allowing for radiation detection anytime, indoors or outdoors. 4. Multi Functional Application: Suitable for detecting electromagnetic radiation from computers, mobile phones, microwave ovens, and other sources to help users better understand their surrounding environment. 5. Sound and Light Alarm: Ensures safety and peace of mind by triggering the alarm and displaying a red backlight on the LCD when detecting excessive electromagnetic radiation. Specification: Item Type: Electromagnetic radiation meter Material: ABS Weight: Approx. 98g / 3.5oz Electric Field Unit: V/m (volts/meter) Electric Field Accuracy: 1V/m Electric Field Range: 1V/m-1999V/m Electric Field Alarm Threshold: 40V/m Magnetic Field Unit: μT(micro Tesla) Magnetic Field Accuracy: 0.01μT Magnetic Field Range: 0.01μT-99.99μT Magnetic Field Alarm Threshold: 0.4μT Reading Display: 3-1/2digit LCD Measurement Bandwidth: 5Hz to 3500MHz Sampling Time: Approx. 0.4 sec Measurement Mode: Simultaneous use of dual mode Overload Indicator: Maximum value of measurement range on LCD Operating Temperature : 0°C-50°C Operating Humidity : Less than 80% relative humidity Operating Voltage: 3V Battery: 2 x 1.5V AAA battery(not included) Application: Home, office, neighborhood substation, signal base station . Package List: 1 x Electromagnetic Radiation Meter1 x Screwdriver1 x Manual