Geiger Counter with Display Screen, Portable Electromagnetic Nuclear Radiation Detector, EMF Meter, Radiation Dosimeter Monitor, High Accuracy Tester(Blue)Features:Large screen display makes it easier to read data, and the buttons are easy to operate.The housing is made of fine quality ABS, 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.Product Specifications:Material: ABSColor: BlueScreen size: 57 * 43mm / 2.2 * 1.7inPower density: 0-99.999μw/c㎡Electric field intensity: 0-999.99v/mMagnetic field intensity: 0-99.999μTPower density: 0.001μw/c㎡Electric field intensity: 0.01v/mMagnetic field intensity: 0.001μTPower density: 50MHz-5GHzElectric field intensity: 20Hz-100MHzMagnetic field intensity: 20Hz-1MHzBattery: 3 * AA 1.5V battery or 3 * 1.2V rechargeable battery (not included)Charging: USB 5V 2A inputCharging time: ≥4 hoursPacking List:1 * Electromagnetic Radiation Detector1 * User Manual