... 1,Water-proof. 2,Over-voltage and short-circuit protection 3,Under-voltage protection (protect life of battery) Specifications 1,Voltage: 36V ... ,Water-proof. 2,Over-voltage and short-circuit protection 3,Under-voltage protection (protect life of battery) 4,Cruising function (manually ... With silent design and without vibration 11,With hall protection 12,Universal Self-learning function. 13,Can connect to ...