ITEM NAME:BR-9A Handheld Portable Electromagnetic Radiation Detector High Accuracy Se O9M1 BR-9A Handheld Portable Electromagnetic Radiation Detector High Accuracy Se O9M1 We all know that electromagnetic waves can reduce people's immunity and harm their fitness, so it is especially important to stay away from radiation. This hand-held portable electromagnetic radiation tester can accurately detect electromagnetic waves and meet the needs of various scenes, making it easy to carry. Large screen display makes it easier to read data, and the buttons are easy to operate. which has fine heat resistance and cold resistance, high strength and fine toughness. It can meet the needs of home life detection, substation detection, mobile signal tower detection, etc., and it is easy and convenient to carry around. With mute and alarm mode, test and pause mode, and the backlight can be turned on or off. Model: BR-9A Test range: Power density: 0-99.999μw/Square centimeter Electric field intensity: 0-999.99v/m Magnetic field intensity: 0-99.999μT Test accuracy: Power density: 0.001μw/Square centimeter Electric field intensity: 0.01v/m Magnetic field intensity: 0.001μT Frequency range: Power density: 50MHz-5GHz Electric field intensity: 20Hz-100MHz Magnetic field intensity: 20Hz-1MHz Battery: 3 * AA 1.5V battery or 3 * 1.2V rechargeable battery (not included) Charging: USB 5V 2A input Charging time: greater than or equal to 4 hours Item weight: 100g / 3.5ounce colour:white Material:ABS size:105*70*30mm Screen size: 57 * 43mm / 2.2 * 1.7in Package Contents: 1 * Electromagnetic Radiation Detector 1 * User Manual