For Batteries: This LED work light is compatible with for 14.4-20V Li-ion batteries, If not used for a long time, store the batteries separately.(NOTE: Batteries not included). 3 Mode Settings: 15w LED work light with 3 mode brightness. MODE 1: Low Brightness Mode. MODE 2: High Brightness Mode. MODE 3: Flashing Mode. Long to turn off the light. 90 Degree Pivoting Head: pivoting head provides versatility for lighting work Light to be projected in multiple directions. As a Power Bank: Equipped with 5V/2.1A USB port, your phone, usb mini fan and other electronic devices can be by Cordless LED Work Light. Versatile & Portable: Portable and easy to install, ideal for both indoor and outdoor use.Energy-efficient technology that provides superior lighting. Name: LED Working Light Versatile Lighting Modes: Features both spotlight and floodlight modes USB output: 5V/2.1A Battery: Powered By for 14.4-20V battery (Battery not included) Colour:Blue Material:Plastic Package Contents: 1 x LED Work Light (No Battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.