Great for outdoor activities Can be used as head light Waterproof ,Allow you ride easily at nights or during rainy days (cannot be put into water) Bulb: 160 lumens LED lifespan: 100,000 hours Light distance: 170 meters Infrared sensing distance:15CM Power supply: 2X18650 Battery Package... Great for outdoor activities Can be used as head light Waterproof ,Allow you ride easily at nights or during rainy days (cannot be put into water) Bulb: 160 lumens LED lifespan: 100,000 hours Light distance: 170 meters Infrared sensing distance:15CM Power supply: 2X18650 Battery Package included 1 x LED Sensor headlight 2X 18650 Recgargeable battery 1X Charging Cable