Brand New, Wireless Gate Opener GSM Relay Switch Remote Control Access Garage Door Key The GSM Gate Opener RTU5024 is a powerful GSM relay that can be used for authorized door access, controlling gates, switching of remote equipment, and car parking systems. Additionally, it can also be used in places which require you to turn on/off your system, machines, or equipment remotely with a free call from your mobile phone. ShowcaseAuthorization for up to 200 usersCan be used for barriers, shutters, gates, doors, etc.Activate with a free call from your mobile phone2G version is unavailable in USA, Australia, Thailand Schematic1. Signal light2. Relay light3. Power port4. Normal open5. Com6. Normal close Suitable for:Personal: Sliding gates, doors, shutters, garage doors, etc.Industry: Street lights, solar power, motor, inverter, PLC, pumps, fans, etc.Agriculture: Remote control pumps, etc.Business: Remote control electronic boxes, billboards, LED signs, etc.