Function: To protect the bike, especially chain, motor,gear, etc. During the riding, after your bike fit the gear sensor, when you change the gear, the gear sensor will cut the power of whole bike, the motor will stop working, the chain also turn slower, it is more fluently to shift the gear, and protect the bike well.
Operating voltage: 4-5.5 VDC
Current consumption: 5mA
Signal Output: Pulse duration 0.1s
Protection circuit: Short Circuit & Polarity Reversed Protection
Housing material: Intensive ABS
International Protection: IP67
Operating temp/hum: -25℃ ~ +70℃ ; 85 % RH
Size(L*W*H): 47mm * 18mm * 12mm