This 3000 lumen light has a light weight design and an ergonomic rubberized grip. It is USB rechargeable with an integrated power bank to charge other portable devices. The trigger switch has a slide lock. It is powered by two 18650 rechargeable Li-ion batteries (7.4V 2000mAh)Features:300 lumen using 2 x Cree XHP50.2 super bright LED (total 36W ea);2-2.5 hours burn time;USB rechargeable;Removable Red lens included;Can act as a USB power bank for other devices;Includes lanyard with emergency whistle