Press and hold the switch for 3 seconds to switch the wave induction mode. The battery capacity mentioned above is the sum of two batteries (1500 1500=3000) Item No.: v9t6 sensor Power: 10W Maximum range: 200-500 meters Applicable environment: hiking, camping, self-defense, search, hunting, everyday carriable, night riding, cave exploration, Night Fishing, patrol Light source form: LED Battery capacity: 1800*2 Configure charger: Yes Material: PVC Power supply form: Charging 360 degrees rotation: Yes 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.