For / / / /18V lithium battery.USB output interface: 5V 2.1A.It can support for mobile phones， speakers， fans and other devices anytime and anywhere.The lamp holder of this product can be rotated and can be used in various occasions.Press the red button once to turn on the light half-，press once to fully light， press once to Flashing ， Long press to .-in intelligent high-performance circuit protection board， over-current， high-voltage protection，short circuit， low voltage protection，low consumption， safe to .Spotlights， work lights， flashlightsLED : 12W Luminance: 1000 Three-level dimming: Low / High / Flashtype: DLED type: chip/whiteColour:redMaterial:Plastic + MetalPackage Contents:1 x Work Light(no battery)Only the above package content， other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.