C3 Mountain Bike Speed And Cadence Sensor 14.5 x 5 x 10.4cm

OverviewThe bike sensor can collect data of speed and cadence at the same time when riding, support for connecting with riding APP or bike computer by BT. 
Features:
Basic on BT BLE4.0 technology, collect data of bike speed and cadence at the same time.
It can be connected with a bike computer or APP that conforms to the BLE4.0 standard.
Very easy to install, mini body.
CR2032 coin cell can be replaced, can be used more than 9 months.
Mechanically physical measurement, highly accurate.
Specifications:
Brand: Meilan
Model: C3
Material: ABS
Color: Black
Waterproof: IPX5
BT Version: 4.0
Package Weight: 60g / 2.12ounces
Package Size: 145 * 104 * 50mm / 5.71 * 4.09 * 1.97in
Note:
MEILAN C1, C3, M4 are used for bike trainer, maybe not suitable for your spin bike to install, please consider.
Only support BT BLE4.0,  not support ANT+ w-ireless.
Package List:
1 * Speed Sensor
1 * Wheel Lodestone
1 * Pedals Lodestone
1 * Rubber Band
4 * Bands