Features: This item is made of quality metal material, rainproof, shock-resistant, wearable and durable. It combines front light and horn together, can offer bright lighting and alerting sound for cycling. Easy installation on handlebar, fit for handlebar whose diameter is under 32mm. Cable length is about 1.5m, suitable for electric bike, scooter, etc. This item doesn't have any switch, which means you need an extra switch cable for it. Specification: Material: Aluminium Color: Black Working Voltage: 12V-80V Light Luminous Flux: 120Lux Suitable: for <32mm handlebar (diameter) Light Size: Approx. 5.4 x 5.2cm / 2.1 x 2inch Cable Length: Approx. 1.5m Weight: Approx. 133g Package List: 1 x Front Light & Horn 1 x Pack of Fittings Note: The horn & light has no switch. The scooter is not included Installation: The red cable for positive electrode of front light The black cable for negative electrode of bike or scooter. The yellow cable for positive electrode of horn.