Features: - Multifunctional wireless bicycle speedometer， includes all vital functions for novices and pros alike.
- Real-time display of the current speed， odometer， trip distance， maximum speed， average speed， elapsed time， clock， etc.
- Engineering plastic and electronic components material with LCD backlight， good durability and have a clear view of the data even at night.
- Imported sensors to provide stable performance， and accurate speed.
- Durable and water resistant for use in all conditions.
- Easy to install firmly with mounting accessories.
- Battery: 1 x CR2032 button battery， 1 x 23A / 12V F23 battery in transmitter(Included).
- Ideal accessory for bicycle training. Color: Black
Model Number: SD - 546C
Stopwatch and Accessories: Wireless Stopwatch Package weight: 0.114 kg
Product Size(L x W x H): 4.50 x 4.50 x 2.00 cm / 1.77 x 1.77 x 0.79 inches
Package Size(L x W x H): 11.50 x 7.00 x 4.00 cm / 4.53 x 2.76 x 1.57 inches Package Contents: 1 x Bicycle Computer， 1 x CR2032 Battery， 1 x Magnet， 1 x Mounting Shoe， 1 x Sponge Sticker， 1 x Sensor Transmitter， 1 x Cable Tie， 1 x English Manual