Features: Automatically wakes from sleep mode upon sensing vibration in the bicycle. Bright LCD display with big numbers guarantees you can read your statistics easily, more safe and convenient while cycling. This bicycle computer measures speed, distance, and riding for time, temperature etc. Exactly what any serious bicyclist or fitness fanatic needs to know for stats tracking. Wireless and waterproof design makes it more convenient and durable. Never worried about the complex in install the wires on your handlebars,waterproof- design no need to worry about rain, just wipe it dry when cycling or finish your journey. White Backlight And Easy Installation,provides backlight for easy viewing during dark hours. Easy to install by following the guidance steps provided in paper manual. Wide Application,suitable for most types of bicycles: mountain bikes, road bikes, electronic bikes, folding bikes, ordinary bikes. Specifications: Material: Plastic Color: Black/Green GW: 88g Net Weight: 32g Size: Approx. 6x4.4x1.5cm/2.36x1.73x0.59in Accessories: Cycle computer,Bracket,Bracket for Seat,Induced magnet,Wireless transmitter ,Wired sensor,Rubber ring,Rubber slice,Belt. Package Includes: 1x Bike Speedometer Set note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!