Specification: Item Type: Electromagnetic Radiation Detector Material: ABS Weight: approx. 125 g/4.4 oz. Scope of the test: Power density: 0-99.999μw/c㎡ Electric field intensity: 0-999.99v/m Magnetic field intensity: 0-99.999μT Test accuracy: Power density: 0.001μw/c㎡ Electric field intensity: 0.01v/m Magnetic field intensity: 0.001μT Frequency range: Power density: 50mHz-5GHz Electric field intensity: 20Hz to 100MHz Magnetic field intensity: 20Hz to 1MHz Battery: 3AA batteries (excluded) Purpose: radiation detection of mobile phones, computers, TVs, refrigerators, high-voltage lines, etc. Package list: 1 x electromagnetic radiation detector. 1 x user manual Features Easy to Use The environmental radiation detector adopts key operation, just like a remote control. This tester has 4 modes, i.e. mute and alarm mode, test and pause mode. Multifunctional The electromagnetic radiation detector can meet the needs of family life detection, substation detection, mobile signal tower detection, etc. High Performance The magnetic field tester has the advantages of high sensitivity, wide range, durability and portability. Daily use helps to avoid the risk of irradiation. Large Screen The display screen of the electromagnetic radiation detector is large, which makes reading data more convenient, and the backlight can be turned on or off. High Quality Shell The shell of the radiation tester is made of high quality ABS material, with good heat resistance, excellent cold resistance, high strength and good toughness.