screen display makes it easier to read data, and the buttons are easy to operate.The housing is made of quality ABS, which has heat and cold , high strength and toughness.It can meet the needs of 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-9ATest range: density: 0-99999w/cElectric field intensity: 0-99999v/mMagnetic field intensity: 0-99999TTest accuracy: density: 0001w/cElectric field intensity: 001v/mMagnetic field intensity: 0001TFrequency range: density: 50MHz-5GHzElectric field intensity: 20Hz-100MHzMagnetic field intensity: 20Hz-1MHzBattery: 3 * AA 15V battery or 3 * 12V rechargeable battery (not included)Charging: USB 5V 2A inputCharging time: greater than or equal to 4 hoursItem weight: 100g / 35ouncecolour:blueMaterial:ABSsize:Item size: 105 * 70 * 30mm / 41 * 28 * 12inScreen size: 57 * 43mm / 22 * 17inPackage Contents:1 * Electromagnetic Radiation Detector1 * User ManualNote: Nuclear radiation cannot be testedOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.