SD - 576A Waterproof Auto Light Speedometer Mode Touch Wired Bicycle Computer with LCD BacklightFeatures:- Anti signal interference. - 27 functions. - Wireless bicycle odometer with LCD backlight. - Portable, durable and convenient. - Easy to read LCD display with large screen. - Easy to control with mode touch, ideal companion for your bicycle. - Easy to install firmly with mounting accessories. - Perfect to use when hiking, climbing, riding and other outdoor actives. - Ideal assistant for bicycle training. - Time display function, also can be used as a watch wonderful gadget for traveling. Specification:- SPD - Current speed - ODO - Odometer - DST - Trip distance - MAX SPD - Maximum speed - AVS - Average speed - TTM - Total trip time- TM - Trip time - RAT - Riding all time- SW - Stopwatch- Temperature (-20 - 70Celsius -4 - 158Fahrenheit Degrees) - SPD comparator - Maintenance alert - Over-speed reminder - Care reminder- Low battery indicator - Freeze frame memory - Auto back light & Ever-Brightening back light- Sleep mode- Touch screen- Powered by 2 x CR2032 Battery (Included)Model Number: SD - 576A Type: Wired Material: ABS Features: Back Light,Large Screen,Water Resistant Color: BlackSuitable for: Touring Bicycle,Cross-Country Cycling,Mountain Bicycle,Road Bike Screen size: 2. 75 inchPackage weight: 0. 136 kg Product Dimension: 7. 20 x 4. 40 x 1. 60 cm / 2. 83 x 1. 73 x 0. 63 inches Package Dimension: 13. 80 x 7. 10 x 3. 90 cm / 5. 43 x 2. 8 x 1. 54 inchesPackage Content: 1 x Bicycle Computer, 2 x CR2032 Battery, 1 x Magnet, 1 x Mounting Base, 1 x Sensor, 1 x Wired Remote Control, 1 x Cable Tie