Feature: 1. HIGH FREQUENCY: Fingerprint lock tester generates a high frequency electromagnetic wave field. Energy saving lamps induce electromagnetic waves to generate current. 2. PRE USE TEST: No electricity is required to light the high efficiency bulb. When the instrument is close to the light emitting tube part of the lamp, the lamp light up. 3. APPLICABLE: Used in laboratories, electronics research and development and other factories to test electronic motherboards for anti interference testing experiments. 4. EASY TO USE: Coil EMP electromagnetic pulse tester built in reinforced antenna and external high frequency antenna. Charging time is only 1.5 hours, very easy to use. WARM TIPS: Do not touch the transmitting power coil of the instrument, as this reduce the power and affect the use of the instrument. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: Black Material: plastic Package Contents: 1 x Coil Tester 1 Adapter 1 x Triode 2 x Coil 1 x Metal Pin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.