Treble Safety Design- Adopt the updated version of bonnet which gives you treble protection you have to push the safety lock switch first then press the ignition switch to work. For the safety of consumer the igniting spark will auto stop beyond 7 seconds per igniting. Restart the switch the igniting spark will be re-ignited. Portable & Convenient- Wind & Splash Proof Design prevents the electric pulse produced from being blown out by strong wind The lightweight design makes the lighter easy to carry and ideal for camping BBQ hiking indoor and outdoor activitiess. Battery Notification- This is the upgraded arc lighter which can display real time battery volume. When 4 LED lights on the barrel turn on it is full charged. Butane Free- No more harmful butane. SUPRUS uses plasma tech to eliminate the need for this harmful chemical.During the ignition there will be noise of “ zee zee” which is high-voltage power generation please use with relax. What Will You Get- 1x SUPRUS arc lighter 1x USB charging cable 1x User Manual.When you have any issue with your lighter or service system close return window please do not hesitate to contact service line. The arc lighter adopt flameless plasma technology this technology will protect the electric pulse from being blown out by strong wind perfect for candles BBQ grill fireworks kitchen stove and bonfire party. USB Rechargeable LED Battery Display Windproof & Flameless & Splash proof Multi-purpose Dual Safety Design Retractable Ignition Head Long Neck 8s Auto Power-off Main Material: Aluminum and Zinc Alloy Weight: 1.93OZ Size: 0.67×0.67×8.0IN Charging Time: About 1.5 Hours Packgage Included: Lighter×1 USB Cable×1