Feature: 1. Arc Igniter: This cigarette lighter can instantly ignite the paper, and the purple electric arc is very beautiful. 2. Simpler DIY: Super mini size allows for broad application, such as electronic lighter, DIY, learning and so on. 3. Safe to Use: The transformer is encapsulated in resin, which ensures safe working performance and good stability. 4. Working Tip: 3.7V 18650 lithium battery is recommended, and the output pulse voltage can get up to 0.5kv‑0.8kv. 5. Easy to Install: Light in weight and compact in size as well, the installation is very convenient to complete. Specification: Item Type: Arc Igniter Kit PCB Size: Approx. 7 x 1.8cm / 2.76 x 0.71in Working Frequency: 20khz-25khz Arc Distance: Approx. 5 ~ 8mm / 0.2 ~ 0.31in. Package List: 1 x Arc Igniter Kit Note: It can work continuously and reliably for a long time, but it is recommended that each time the cigarette is turned on for no more than 1 minute, pay attention to heat dissipation.