Features Premium Plastic Material: This RZ825 Radiation Detector is made of high quality materials which is durable and has a long service life. LCD Display: The digital electromagnetic radiation detector has a large LCD data display, the readings are clear and accurate, suitable for a variety of environments Anti-Slip Design: The anti-slip design of the body makes the grip comfortable and easy to use. Wide Application: This EMF Meter can be used for both electric and magnetic field measurements, beautiful and practical. Safety Design: The EMF detector has sound and light alarm, when the test result exceeds the safe value, the instrument will automatically alarm. Specifications: Material: Plastic Measuring range: 1V/m-1999V/m Measurement object: electric field Measurement accuracy: 1V/m, 0.01ut Resolution: 0.4 seconds Size: Approx.130*60*25mm / 5.1*2.4*1.0in Weight: Approx.146g / 5.1oz Package list: 1 * Radiation Detector (Battery not included) 1 * Instruction Manual Package List