Features Multiple Function - EMF Meter will test the electrical field (1 V/m ~ 1999 V/M) and the magnetic field radiation(0.01μt - 99.99μt) at the same time. Excellent Performance : Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.Radiation assessment can remind you whether the radiation value is safe.equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip Easy To Use and Operate : The anti-slip design of the body makes the grip comfortable and easy to use Electromagnetic Radiation Test； mobile phone, computer, TV set, refrigerator and high voltage cable radiation test.Radiation protection product test: test effects of radiation-proof clothes, radiation-proof film and other prevention articles. Safety Guarantee；12 Months product warranty provided. 24 Hours Customer Service. Specifications: Condition: 100% Brand New Material: Plastic Measuring range: 1V/m-1999V/m Measurement object: electric field Measurement accuracy: 1V/m, 0.01ut Resolution: 0.4 seconds Size: Approx.150*76*38mm / 5.9*3.0*1.5in Weight: Approx.146g / 5.1oz Feature: This product is made of high quality materials and is durable and has a long service life. With a large LCD data display, the readings are clear and accurate, suitable for a variety of environments. The anti-slip design of the body makes the grip comfortable and easy to use. This product can be used for both electric and magnetic field measurements, beautiful and practical. With sound and light alarm, when the test result exceeds the safe value, the instrument will automatically alarm. The design is fashionable, easy to operate, easy to carry, and convenient for on-site measurement. Data lock is supported, and the radiation value is locked with one key. Excellent Performance : Data hold and clear LCD display, one-key can lock the radiation value and easily read the value.Radiation assessment can remind you whether the radiation value is safe.equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip Package list:  1 * Radiation Detector (Battery not included) 1 * Instruction Manual Package List