Saber 500 Lumen COB Tube Light COB LED produces 500 lumens of bright light. SMD LED top light provides an additional flashlight function - 50 lumens. Constant current design provides consistent light output. Removable swivel hooks with magnets allows hands free use. Rubberized handle provides a non-slip grip. Tough impact ergonomic housing. IP54 dust and water resistance. Lithium-ion rechargeable battery for longer life and consistent power. Automatic shut-off and overcharge protection for optimal battery life. 3.7V 4400mAh lithium-ion battery. 3 hour continuous run time 80375