Police Security’s Dover rechargeable, 1000 lumen LED flashlight, is optimal for automotive technicians and other professionals who demand long-term flashlight performance. With our Quik Connect™ USB charging system (cable included), this light functions with an 18650 rechargeable lithium-ion battery delivering up to 6 hours runtime. With high, low, flash modes and slide focus, this flashlight is immediately adaptable to a variety of situations