Model: QS-01 Material: plastic ABS Weight: bare lamp weight alone-150g Gear position: strong light, weak light, flash Power supply: 18650 lithium battery * 1 Endurance: strong light for 3 hours, low light for 5 hours Voltage: 3.7V-4.2V Lamp bead: LED * 1 Waterproof: IPX7 Brightness: 350 lumens (theoretical) Power: 10W Maximum range: 200-500 meters Power generation mode: built-in battery charging Applicable environment: diving, hiking, camping, searching, hunting, everyday carriable, night riding, cave exploration, Night Fishing Light source form: LED Battery capacity: 2200 mA Configure charger: Yes Material: ABS Power supply form: Charging 360 degrees rotation: no   Super Bright LED Headlights: The powerful headlamp consists of  LED bulbs with a maximum brightness of lumens   which help you clearly see the surrounding and stay away from danger . Great Gift Choice: Are you still struggling with gift choices? Our head light will come with a exquisite and large capacity Storage Box, this headlamp will be the best gift for your father, mother, husband, son, boyfriend on Father's Day, Valentine's Day, Easter, Halloween, Thanksgiving and Christmas.