XM-L2 CREE 10W LED; POWER SOURCE: 4XAA BATTERIES NOT INCLUDED; PRODUCT SIZE: 15*85*70MM; PRODUCT WEIGHT: 207G; MATERIAL: ALUMINUM; OPERATION MODE: HIGH/ LOW/ FLASH/ OFF; ZOOM FUNCTION FOR FLOOD AND SPOT BEAM; LED LIFE: 100,000 HOURS; BRIGHTNESS: 450 LM; WORKING TIME: ABOUT 5- 6 HOURS; FEATURES: ELASTIC HEAD BAND EASY TO WEAR, LIGHTING ANGLE ADJUSTABLE HEAD