Headlight for hub dynamo; Compatible with JIS/BAA standards; Uses 2 high-intensity LED lights and opti-cube lenses to achieve ideal light distribution; Equipped with an ON/AUTO function that starts lighting when driving in dark places (where surroundings are bright); Built-in JIS standard-compliant reflector; Mounts to front fork dynamo brackets; Note: This product can only be used with hub dynamo equipped vehicles. Size: 2.4 x 3.5 x 2.5 inches (61.5 x 89.0 x 64.0 mm); Weight: 2.6 oz (74 g); Light Source: 2 x High Brightness White LEDs; Compatible hub dynamos: J1 terminal type; Please check the type of connection before purchasing. The color of the product may look different from the actual product depending on your display settings. Please be aware that product specifications, logos, and other designs are subject to change due to improvements.