For those looking for an inexpensive or reliable bike light for city traffic, the AURA 45 USB is the ideal companion. The 45 lux strong, rechargeable headlight can be attached to the handlebars easily and without tools, and this lamp complies with the StVZO legal approval and the RAI Hallmark Bicycle Lighting. There, the headlight not only looks good but, with a beam of 45 meters and good illumination, also provides immediate safety. Specifications: Color: black Material headlight: plastic Material holder: silicone Lighting type: LED Power supply: rechargeable Charging time: 2.5 hours Burn time: 6.5 hours (standard mode) Light output: 45 lux Dimensions: 90 x 30 mm (LxW) Position: handlebar Clamp diameter: 22 - 36 mm Weight: 105 grams (including bracket) Contents: 1 Headlight 1 Holder 1 USB cable