Features: Night vision function: The dial has a fluorescent coating, which allows for clear visibility in low light conditions. Power Supply: Stainless steel case with mineral crystal lens, equipped with a Japanese-made LR626 button battery (pre-installed). Gloss Housing: CNC machined T6063 aluminum housing with triple chrome plating for a high-quality glossy finish. Good Appearance: Simple, compact, and stylish design, , enhancing the look of your motorcycle. Installation and Operation: Designed to mount on 22mm (7/8") handlebars or compatible with 25mm (1") handlebars. Specifications: Shell Color: Chrome, Black (optional) Material: Aluminum Alloy Fitment: 22-25.4mm (7/8" - 1") Package Weight: Clock: 67g; Thermometer: 67g; Clock + Thermometer: 120g Package Dimensions: Clock: 5.6 x 4.8 x 3.6cm; Clock + Thermometer: 5.5 x 4 x 12.5cm Package Contents: 1 x Motorcycle Watch, 1 x Allen Wrench, 1 x Gasket, 1 x Button Battery (pre-installed)