Maglite ML300LX LED 3-Cell D Flashlight, Matte Black Multi mode electroinic switch. Momentary, Full Power, Low Power, ECO and Stobe. D Batteries Required Beam Distance, 406 m Advanced focus system (adjusts from spot to flood with less than 1/4 turn of the head) Activity Based Function Sets include General, Outdoor, Law Enforcement and Tactical Runtime: High = 16 hrs; Low = 77 hrs; ECO = 117 hrs