The EBL2001 is a Rugged, Dependable, Small, High Power 2000 lumen LED Light with a tight 7 degree beam. The EBL2001 contains a control circuit that optimizes the light output and the burn time. The EBL2001 will run at full output for 3 hours on a single rechargeable 18650 Lithium Ion battery. The body is made of Delrin and the lens is polycarbonate. It is bright enough to be used as a primary light and perfectly meets the needs as a backup light, The dimensions are 1.250" diameter x 4.75" long . Comes with Smart Charger and 2 Lithium Ion Cells Depth rated for 1000'