This Arc Lighter Features a Blue Illuminated Charge Indicator & a Blue Light When in Operation. Moreover, the Item Boasts an Additional Safety Function: the User Must First Slide the Power Switch to the on Position & Then Press the Ignition Button. an Automatic Safety Shut-off of the Arc Occurs After 10 Seconds. the Lighter Incorporates Overvoltage Protection, Short-circuit Protection, & Overheat Protection. the Integrated Battery Can be Charged Via the Included Usb-a to Usb-c Cable. Minimum Quantity: 50.