Function: 1. Sturdy Construction: The steering wheel watch is made of aluminum alloy, which is sturdy, durable, waterproof, shockproof and anti-scratch. 2. Fluorescent Function: The handlebar watch has a fluorescent coating, which is convenient for you to read the time clearly at night. 3. Power supply: The motorcycle handlebar clock is made of stainless steel and mineral glass, and the built-in LR626 button battery made in Japan. 4. Glossy Body: T6063 aluminum plate body is CNC machined, triple chrome plated, compact and modern design. 5. Installation and operation: The handlebar watch is suitable for mounting on a 22 mm (7/8 inch) handlebar or a 25 mm (1 inch) larger handlebar. Specification: Item Type: Motorcycle Handlebar Clock Material: aluminum alloy Size: Approx. 4.5 x 4.5 x 3.2 cm / 1.77 x 1.77 x 1.26 in Package List: 1 x Motorcycle handlebar clock 1 x Wrench Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.