Features: 1. The bicycle computer records your cycling distance, speed, and time, helping you keep track of your progress and stay motivated to achieve your fitness goals. 2. The wired bike computer is small, lightweight, and portable, making it easier and more convenient to use while cycling.3. Designed with a large and clear LCD digital display, the bike mileage and speed indicator allows you to easily read the numbers at a glance.4. The bicycle speedometer withstands all kinds of weather all year round with a waterproof design to prevent water from entering the inside. You can ride in the rain. 5. Suitable for road bicycles, mountain bikes, folding bikes, and other common bicycles. This bicycle computer MAY NOT be compatible with some electric-assist bicycles. Specification: Product weight: 65.3g/set Product size: about 2*4.8*4.5cm/0.79*1.89*1.77in This product uses an AG13 battery SDP: Current speed ODO: Odometer DST: Driving Distance MXS: MaximumSspeed AVS: Average Speed TM: Elapsed Time CLK: Clock (12h/24h) Scan "+ "-"Comparator Setting speed scale (Km/h.m/h) Adjustment Tire Circumference: (0mm-9999mm) Freeze Frames Memory Auto: On/Off Packing List: 1*Bicycle computer Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed in the pictures. 2. Please forgive a slight measuring deviation due to manual measurement.