Brand: VOTOL model name：EM50/4 72300 Voltage: 48v to 72v universal Current: Maximum release current 80A, phase line current 300A Adaptive motor: 400 watts to 2000 watts The default function for VOTOL controller: Hall Plug, Reverse, Low Brake 0V, Throttle (0-5V), High Brake 12V, Ignition, One-line/Hall Meter Wire, Program Port, Three Speed, Sport Model, Parking, Anti-Theft, Regen Charge, Flux Weaken Current.