FUNCTIONS: 1.Anti-Lightning Strike Circuit protection for lighting. 2.Over Travel Protection Limited running time to avoid the collision. 3. Limit Protection Open/close limited by limit switch. 4.Soft Start Avoid dash to damage the motor.( Selectable) 5. Over Current Protection Auto Reverse or stop to protect the motor. 6. Warning Protection Ext-flash lamp show the state. 7. Sensor Protection EXT photo beam sensor and road detector. 8. High Security Ext-receiver with DIP switch.Reliable/Stable. 9. Auto Close Auto close in 0,20, 40, 60sec (Selectable) 10.Failure Predication LED indicate the motor and limite switch whether in normal state. Installation: 1 Make sure supply with the working voltage. 2 make sure the motor work normally. 3 Install the controller where warterproof and dampproof. 4 Connect following the wiring diagram. 5 Power on.Test the gate operator.