Features [Dual power supply] Dual power supply (two power supplies cannot supply power at the same time): power supply 1, DC 6.5-25V; power supply 2, DC 5V [Working current] (normal mode) standby current 41mA, working current 83mA; (energy-saving mode) standby current 7mA, working current 44mA. [Three input control port] There are three input control port: forward control (FWD), reverse control (REV) and stop control (STOP). [Two input trigger modes] Two input trigger modes, pulse trigger mode, low level trigger mode [Delay time] Delay time: 0.1-999.9 seconds, 1-9999 seconds, 1-9999 minutes Port:         DC 5.5MM female : Power supply 1, DC 5V power supply.  VIN: Power 2 positive, DC 6.5-25V power supply  GND: Power supply 2 negative  FWD: Forward input control (partial Function-Mode is invalid)  REV: Reverse input control (partial Function-Mode is invalid)  STOP : Stop input control (partial Function-Mode is invalid)  M+: Motor positive   M-: Motor negative  P+: Positive terminal for motor power supply P-: negative terminal for motor power supply   Specification: Power supply: DC 6.5-25V, DC 5V Working current: 83mA Standby current: 41mA Relay load current: <5A Delay time: 0.1-999.9 seconds, 1-9999 seconds, 1-9999 minutes Size: 8*5cm/3.2*2in Weight: Approx. 51g/1.8oz Package list: 1 x Motor Controller board Package List