3GGSM 6 Channel Remote Controller Garage Door Relay Switch Wireless Door Opener with Alarm Input for Security Gate Access, PhoneSMS Remote Control - Sonew, BamfIm9UmdHJ1u

• √ GSM‑RELAY6‑3G is a wireless 3G remote control switch connected to a 3G mobile phone network. It has 6‑channel relay output. It also has 6 alarm inputs. When the input is shorted to GND, an alarm will be triggered and an alarm message will be sent. √ One relay output with call mode and the other relay output with SMS control can be easily programmed with mobile phone or PC software. SMS can be used for digital programming quickly and conveniently through SMS or on‑board quick teach button. √ Support free control mode or security authorization number control mode, support custom commands, easy to understand. Support rechargeable battery power failure alarm (bettery is not included), DC12V voltage output of the alarm when an alarm occurs. √ 6‑channel 250V 10A 50Hz relay contact, 6 relay switches operate independently and activates the NO.1 relay switch by dialing its mobile phone number. There are 5 other independent relay switches, which can be turned on or off by sending SMS text to GSM‑RELAY6‑3G. √ Applications include remote control of heating of holiday houses, lighting, engine preheaters, aircraft engine heaters, irrigation systems, well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, and door Access control and garage door.