Specifications
Signals / Cycle:    36
Input Voltage:      8~15V DC
Output Voltage:   1.5-3V DC
Max. Power consumption: ≤400mW
Operating Tem.:  -20-45℃
Weight:                500g
Case Material:      Aluminum
Shaft Standard:    JIS
Sensor Type:        Speed and Torque Integrated

Mounting Parameters
Mounting Position:  Bottom Bracket
Wire Length:          200 mm, waterproof
Connector Type:     JL-F-Z609AG
Wire Routing:         Through BB, Middle
BB Shell Width:      68.00 mm
Shaf. Length:        147 mm

Included - Spider
Spider: 4 arms(PCD104mm) Spider, CL=49mm  (Note: 4 arms fit for 36T / 38T / 44T Chain Wheel)
Material: Aluminum 6061
Bolts Specifications: Steel, M5 x P0.8 x 8 (L) mm

How to install (For reference)
https://www.youtube.com/watch?v=aqIjii9ARKE