Description One instrument with two uses, it can test the electric field and the magnetic field radiation at the same time Sound-light alarm, when the test result exceeds the safe value, the instrument will alarm automatically Data locking, one-key lock of the radiation value. LCD display of the values for easier reading. Radiation assessment, remind you whether the radiation value is safe or not. Batteries are not provided. Delivery Quantity: 1pc, Package Contents: Only the above package contents, excluding other products. Size: 63.6*31*125.8mm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: orange (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin