ITEM NAME:3.7V DC High Voltage Pulse Inverter Arc Generator Ignition Coil Step Up Mod JR Features: 100% Brand New and High Quality Uses: DIY electronic lighter, electronic enthusiasts study and study The input of this product is connected to a DC 3-5V power supply. When the secondary high-voltage output is not connected to a high-voltage rectifier diode and capacitor, the output two-stage line end can produce a purple high-temperature arc with a length of ≠¤0.8 centimeters, no hum, but the temperature is very high. You can easily light up the cigarette lighter momentarily. Even a very thin wire can be burnt Each time suggest not more than a minute Parameter: PCB size: 5.4x1.8 cm Voltage and current: DC 3-5V, 5A, 15W. Recommend 3.7V 18650 lithium battery. Output pulse voltage: 0.5kv-0.8kv Working frequency: 20khz-25khz Arc distance: 5-8 mm Package Included: 1 x High Voltage Boost Module Kits.Even a very thin wire can be burnt. Arc distance: 5-8 mm. Working frequency: 20khz-25khz.