Features:

Measuring by geomagnetic sensor
Innovative dual mode
Speed + cadence bi-mode sensor
ANT+ Bluetooth dual protocol
400 hours ultra long battery life (depending on the environment temperature)

Compatibility
ANT+ protocol
Supports various ANT+ protocol bicycle computer and sports watch
Supports different PC training software by ANT+ adapter
Bluetooth protocol
Works with standard Bluetooth speed or cadence protocol phone App
Works with standard Bluetooth speed or cadence protocol Bluetooth bicycle computer or watch
Can connect for XOSS , for Garmin , for Suunto , for Bryton , phone apps , and others

Bi-mode Usage Method
If the speed and Cadence use together,need buy two pcs
In speed model , use the app need set the wheelset size then can Exact display speed
First use the equipment,need remove the Insulating paper make sure the battery + up
Reinstall battery can Switching Mode speed model to cadence model or cadence model to speed model
Cadence Sensor Mode
Resetting the battery, red light signs cadence mode
Speed Sensor Mode
Resetting the battery, green light signs speed mode

Specifications:
Volume: 8.85×29.8×38.3mm/0.34x1.17x1.50 in
Sensor: Terrestrial-magnetic Sensor
Battery: CR2032 battery
Weight: 8.8g (with battery)
Highest Detecting Speed: 700c 110km/h
Operating Humidity:－10°C— 50°C
Wireless Interface: Bluetooth Smart, ANT+
Waterproof: IP66

Package include:
1* Speed + Cadence bi-mode sensor