Features: Brand New and High Quality Material: ABS Main Color: Black Size: Approx. 55x46x18mm (L*W*H) Specifications: Multifunction cycling computer, include ambient temperature display, speeding alert feature, clock function, stopwatch function etc. A big screen design and super wide working temperature. Simple installation and easy setting. Stylish design outside light, water proof design, portable ,easy to disassemble. Header separate design makes it remove at any time. The head can be rotated to facilitate the installation of the crossbar / vertical handle. The code table highlighted white display at night. Double-four window display makes it easily to view the data without frequent adjustment button. Silicone button. Functions: Dynamic display of mileage, cycling time, real-time speed, travel time, calories consumed, current time, current date. Automatic shutdown function. With 12/24 hour clock, Celsius/Fahrenheit temperature unit selection, calendar feature that allows you to travel more to grasp. Low battery voltage tips, so you keep abreast of the work of the code table. A stopwatch function allows you to accurately grasp the Contest. Suitable for 4 " -40 " bicycle. Package Included: 1x Wireless LCD Cycle Computer Odometer