BQLZR Blue Upgraded 6V-24V Electronic Glow Plug Starter Igniter for Nitro RC Car Only need to power by putting on the battery you carry, easy to use. Suitable for all car brands ratio. This item worked on any of 6V-24V batteries(include Lithium battery, batteries and other batteries) The light can only be lighted up on correct connection. Input Voltage: 6V-24V;Output Voltage: 1.20V-1.25V