2.8" Large Screen Bicycle Computer Wireless Wired Bike Computer Waterproof Speedometer Odometer Cycling Stopwatch?Wireless Code Table for Mountain Road Bicycles Large Screen Waterproof Luminous Velocimeter Feature: *1. Bicycle odometer with LED backlight can be used by two bicycles, with memory function. *2. 2.8-inch large screen, easy to read data, easy to control touch mode. *3. Portable stopwatch, durable and convenient, with weather display function, very suitable for hiking, cycling and other outdoor activities. *4. Easy to use mounting accessories, securely installed. Specification: Material: PVC Color: black (as shown) Specifications: English wireless, English wired, English new bracket wireless code table, English new bracket wired code table Size: 7.5*5cm Display accuracy: 0.01 Waterproof level: IPX6 Package Contents: Stopwatch * 1 (with battery) Installation accessories * 1 Note: 1. All pictures are professionally color-coded, but due to different ambient light and display device settings, there may be some deviation between the picture you see and the item itself. Please understand that. 2. The data is measured manually, there may be some deviations, but it does not affect the use.