Features: Premium quality aluminum alloy material, sturdy, corrosion-resistant, and durable. Waterproof, shock-proof, and scratch-proof. New with reliable performance for secure use. Night vision function: Dial features a luminous coating for clear visibility in low light. Power supply: Stainless steel case with mineral glass crystal. Equipped with a Japanese-made LR626 button battery (pre-installed). Gloss housing: CNC machined T6063 aluminum billet housing with triple chrome plating for high-quality finish. Good appearance: Simple, compact, and stylish design. and high quality, enhancing the look of your motorcycle. Installation and operation: Designed to mount on 22mm (7/8") handlebars or compatible with larger 25mm (1") handlebars. Specifications: Shell color: Chrome, Black (optional) Material: Aluminum alloy Compatible handlebar diameter: 22-25.4mm (7/8" - 1") Package weight: Clock: 67g Thermometer: 67g Clock + Thermometer: 120g Package size: Clock: 5.6 x 4.8 x 3.6cm Clock + Thermometer: 5.5 x 4 x 12.5cm Package list: 2 x Motorcycle Watch 2 x Allen Wrench 2 x Gasket 2 x Button Battery (pre-installed)