. Wired Bicycle speedometer with LCD display. Monitor your bikes' speed, distance and riding time. Perfect assistant for bicycle training . Perfect to use when hiking, climbing, riding and other outdoor actives. Make your sports life more free and comfortable. Lightweight, durable SPD: Current Speed ODO: Odometer. DST: Trip Distance.. MXS: Maximum Speed. 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 Green LED back light Freeze frame memory Separated button Auto: ON/ OFF Colour: black Material: engineering plastic + electronic components Size: 5.7 x 4.1 x 2cm Package Contents: 1 x bicycle odometer 1 x magnet 1 x strap 1 x mounting base 1 x English manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.