Product Quantity: 1pcs Color: black Have all the basic functionsCurrent speed (SPD), Maximum speed (MAX), Average speed (AVS),Total traffic mileage (ODO),Single lane mileage (DST),Riding time,elapsed time (T M) Suitable to all types of bicyclesOften there's no limits of your wheel size, but please note the distance between sensor and receier shouldn't be more than 60cm, transmitter and magnet not more than 3mm, or it may not get the signal. Multi-functionsSmall Size ,Light Weight,with waterproof function,It works well to Measure Speed ,Distance, Riding time,which the serious bicyclist or fitness fanatic wants to go with knowing. Power saving Auto on modeAfter no signal inputs of 300 seconds, the screen will go into a standby sleep mode with LCD displays. It has memory function. This cycle computer will automatically wake up when you shake it or any signal is inputted or any button is pressed. LCD Digital DisplayThe large LCD display guarantees you can read your statistics easily. 1pc bike computer1 x Bike computer console 1 x Universal sensor bracket (with 85cm cable) 1 x Wheel magnet 1 set x Cable tie 1 x Battery - Have been installed