Kryptonite Alley F-650 headlamp This headlamp ensures that you can safely get back on the road with its strong beam of light. It has six different light modes, a capacity of 650 lumens and can burn for up to 26 hours. A USB cable is included so that you can easily charge the headlamp. General specifications: Housing colour: black Lamp colour: white Material: plastic Dimensions: 10.8 x 3.7 x 7.4 cm (L x W x H) Weight: 300 grams Mounting position: handlebar Technical specifications: Light source: LED Number of lumens: 100 to 650 Power type: Battery (USB rechargeable) Lighting time: up to 26 hours at 100 lumens (flashing)