Electromagnetic Radiation Tester possesses the following features: 1.One instrument with two uses,It can test the electric field and the magnetic field radiation at the same time [动画表情] 2.Sound-light alarm,when the test result exceeds the safe value,the instrument will alarm automatically 3.Data locking,one-key lock of the radiation value 4.LCD graphic display of the radiation value trend 5.Radiation assessment,remind you whether the radiation value is safe or not; 6.Fashionable design,easy on-hand operation,it is easy to move or make field measurement.