Keenso-- Portable Lightweight Waterproof Bike Odometer Mountain Bicycle Speedmeter. This item is made of quality material with fine process, it's lightweight, portable, durable, waterproof, resistant to high and low temperature. The screen is luminous and clearly display the time, average speed, maximum speed, distance, etc. This item is ideal for riding lovers. Good value for the money spent.

Specification:
Material: Plastic
Power: 1 * 3V Battery (Included)
Size: Approx. 33 * 51 *13.5 mm / 1.29 * 2 * 0.53 inch
Weight: Approx. 100 g

Package Included:
Wired:
1 * Odometer
1 * Base
1 * Base Sensor
1 * Magnet
2 * Adhesive Sticker
5 * Straps
1 * User Manual

Wireless:
1 * Odometer
1 * Wireless Base
1 * Wireless Base Sensor
1 * Magnet
2 * Adhesive Sticker
5 * Straps
1 * User Manual

Note:
1. Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.