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 glass 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