150MHz DC 36V 150MHz Circuit Board Tester Electromagnetic Pulse Generator Charging: 3 holes are charged separately. Each charge takes about 30 minutes. When the green indicator light of the charger goes out,it means it is fully charged Use time: Do not use more than 10 seconds each time. Use 3 times in a row. Cool down the instrument for 20-30 seconds Specification: Frequency: 150MHZ Working voltage: DC 36V Voltage: DC 36V Charging time: 1.5 hours Charging input: 110-220V AC Rechargeable battery: 2250mAh Application: fingerprint lock,slot machine,claw machine,game machine,etc. Antenna: built-in reinforced antenna + external high-frequency antenna Test Before Use: The EMP generator can light high-efficiency bulbs without power. When the instrument is close to the light-emitting tube part of the lamp,the lamp will light up,indicating that the quality of the instrument is good. Can be used for related tests. Do not touch the transmitter coil of the instrument,otherwise,the power will be reduced and the use of the instrument will be affected. Note: 1. The two gears cannot be used at the same time,otherwise,they will be burned. 2. Intermittent work (one key). Can't work continuously. 3. There are not many machines that can score. Try more machine locations. Package included: 1 x Pulse Generator 1 x Charger 1 x Copper Color Coil 1 x Black Coil 1 x Spare Power Tube