Electric bicycle motor controller

e-bikecontroller 1.Name:9 MOSFET Blushless controller 2.MOdel:WZK-4825C 3.Variety:48V/400W 4.Feature: 1)Rate voltage: DC48V 2)Rate power: 400W 3)Rate current: 25A 4)Under-voltage protection: DC41.5V 5)Current limited:25A±0.5A 6)Efficiency:≥83% 7)Consumption:<1.5W 8)Controller category:Brushless direct current 9)Applicable model:electric bicycle,electric scooter 5.Function: 1)Super low noise whenstart up 2)Speed limited 3)Under-voltage,over currentprotection 4)E-ABS brake 5)Under-current protection 6)Prevent theft,remote control(remote key) 7)Water proof