Bicycle Cycling Computer Wireless Digital Bike Speedometer Odometer with Rechargeable Battery Backlight Bike Stopwatch

This bike computer is an ideal companion for your riding.With multiple functions, 2.8in LCD backlight and rechargeable. 

Features:

Bicycle A / Bicycle B selectable, buttons control for easy operation. 
Multifunctional, includes all vital functions for novices and pros alike.
LCD display with back light allows you to read riding data easily and clearly during night trip.
Durable and waterproof for use in all conditions.
Easy installation, no tools required.

Specifications:
Color: Black
Material: Plastic

Battery: Rechargeable 250mah lithium battery 
Style: Wireless
Watertight: IP4
Item Size: 9*5.3*2.2cm /  3.5*2.1*0.9in
Weight: 53g / 1.9oz

Package Size: 10*13*5cm /  3.9*5.1*2.0in 
Package Weight: 120g / 4.2oz

Package list:
1 * Bike Computer
1 * Bracket
1 * Sensor
1 * Magnet
1 * Type-c USB Cable
1 * Manual