Remote access You can remotely control the opening and closing of the garage door with your mobile phone Status Alarm You can view the status of the garage door in real time, and provide information push alarms Equipment sharing can share the garage door control with family and friends Timing The garage door can be opened regularly. Does not occupy socket Output one 5V DC @ 500mA. Can control load or input sensor power. The socket is directly replaced without occupying the socket. Gate Magnet Large sensing gap range, easier installation and positioning Relay contacts Provides NO, NC, COM three contacts, to meet more application scenarios, DIP switch can flexibly set the relay closing time, to meet more door control methods and several more models of electric doors, Manufacturer: QICHIDIANZISHANGWU