This wireless bicycle computer is a super gadget with more than 40 functions for measuring performance, health, and stamina for cyclists and cycling enthusiasts. This outstanding motivational tool does all the working out for you so you can maintain full attention on hitting the next target to achieve your cycling fitness goals.

Features:
Core Functions 3 in 1: heart rate monitor, speedometer, cadence sensor.
Main Functions: current/avg/max cadence, current/avg/max speed, speed comparator, trip distance, trip time, total trip time, odometer.
Easy Operation: two buttons allow for easy operation, one for switching what info is displayed and another for more options regarding that info.
Waterproof Device: Riding in a rainy day is ok, but not soak in water or put in rainstorm for a long time.
Anti Signal Interference: It won't interfere other wireless & electronic devices, wireless ranged less than 30cm, accurate data result.

Specifications:
Material: ABS
Power source(total): 5 * CR2032 batteries_
Computer dimension: 4.4 * 1.1 * 7.2cm / 1.7 * 0.4 * 2.8in
Item total weight: 210g / 7.5oz
Package weight: 250g / 8.8oz
Package size: 14 * 3.5 * 18.5cm / 5.5 * 1.4 * 7.3in

Package List:
1 * Bicycle Computer
1 * Cadence Sensor
1 * Sensor
1 * Heart Rate Monitor
1 * Chest Strap
3 * Brackets
1 * Magnet Set
1 * Screwdriver
4 * Rubber Slices
12 * Cable Ties
1 * User's Manual(English)