Features: Premium Quality Material: premium quality aluminum alloy material, sturdy, corrosion resistance and durable. Waterproof, shock-proof and scratch-proof. Brand new with good performance can provide you with security in use. Night vision function: The dial has a fluorescent coating, which can clearly read the dial at night. Power Supply: Stainless steel case and mineral crystal, Japanese-made built-in LR626 button battery(installed when shipped). Gloss Housing: CNC machined T6063 aluminum billet housing/triple chrome plating for high quality gloss. Good Appearance: Simple, compact and fashionable design, 100% new and high quality, which makes your motorcycle more attractive and eye-catching. Installation and Operation: Mount to your 22mm(7/8") handlebars or to a larger 25mm(1") handlebar. Specifications: Shell Color: Chrome, Black (optional) Material: Aluminium Alloy Conditions: 22-25.4mm (7/8"- 1") Package Weight:  Clock: 67g Thermometer: 67g Clock + Thermometer: 120g Package Size:  Clock: 5.6 * 4.8 * 3.6cm Clock + Thermometer: 5.5 * 4 * 12.5cm Package List: 2 * Motorcycle Watch 2 * Allen Wrench 2 * Gasket 2 * Button Battery(in-built)