cable length: 85cm Maximum Speed:0-99.99 km/h This one is a light-controlled backlight 1. When the light is dark, press any key. The backlight is on for 5 seconds; 2. When the light is bright, press any key. The backlight is not bright. 3. Long press the middle button for 3 seconds, the backlight will be on for 5 seconds; 4. Long press the middle button for 5~8 seconds, the backlight will stay on. Press and hold for 5 seconds, the backlight goes off (or if you don"'"t believe the number 5 or input within 3 minutes, the backlight will go off automatically 100% brand new and high quality Wired Bicycle speedometer with LCD display. Monitor your bikes"'" speed, distance and riding time. Perfect to use when riding. Ideal companion for your riding. Note: the package is attached one CR2032 button battery for the bike computer, while the users need to buy another 12V/23A dry battery for the sensor themselves. cable length:about 90cm SPD: Current Speed. ODO: Odometer. DST: Trip Distance. MXS: Maximum Speed.--0-99.99 km/h AVS: Average Speed. TTM: Total trip time. TM: Trip time. RAT: Riding all time. CLK: Clock (12H/ 24H). SW: Stopwatch. Temperature. TM up trip time up. TM down trip time down. Trip UP trip distance up. Trip DN trip distance down. Sleep mode. Comparator. Maintenance alert. Machine oil reminder. Over-speed reminder. Setting type circumference. Low battery indicator. Auto White LED back light. Freeze frame memory. Separated button. Auto: ON/ OFF. Device Type: Bicycle Speedometer LCD Screen: 4 3.3cm Dimension: 5 4 1.8cm Weight:67g cable length:about 90cm 1 x Bicycle Wired Computer Odometer Speedometer 1 x Mounting Shoe 1 x CR203 Button Battery for Bike Computer 6 x Cable Ties 1 x Wheel Magnet 1 x Manual User Note: A. Import duties, taxes and charges are not included in the item price or