R7 Full-Size Duty Light - 12" overall. Up to 503 lumen output on high and strobe and 182 lumen output on low. Three D cell alkaline batteries are included. Burn time per battery set: Up to 5 hours, 30 minutes on high, 17 hours on low and 12 hours on strobe. Set includes flashlight, NiMH rechargeable battery pack. disposable battery cartridge, carrier for three D cell batteries, charger base with mounting screws and AC and DC power cords, and carrier for 3 D-cell batteries. TPT NiMH Rechargeable Series Flashlight. Black impact resistant polymer construction. Cree XM-L LED with regulared circuit for maximum output. Multi-function switch with momentary-on (High/Ultra Low/Strobe).