Fantastic Prices! GSM‑AUTO‑4G 4G/3G/GSM Door Gate Opener Dual Relay Wireless Remote Switch Controller SMS Relay Controller with One Alarm Input for Garage/Hangar/Warehouse(AU)

Current Price: $61.69
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Features and Specifications:

• ✔ Activate each relay by sending an SMS text message to the phone number of the device(up to 100 authorized users). Sending a text message command to the device can temporarily cancel the programmed operation and open the relay for up to 18 hours. It will return a confirmation text, when it opens and closes.
• ✔ GSM-AUTO has two independent relays. They have normally open and normally closed contacts. They can be programmed to open between 1 second and 18 hours. In addition, you can set a delay time between relay 1 and 2 switch. By sending SMS to GSM-AUTO, you can activate the programmed relay operation
• ✔ The GSM-AUTO 4G version is a wireless remote on/off switch that can be controlled by connecting to a 4G mobile phone network. Through the SIM card and pay-as-you-use (PAYG) plan, it can be connected to 4G or 3G or GSM cellular networks. The SIM card slot is on the top of the GSM-AUTO 4G module.
• ✔ 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 doors Access control, aircraft hangar and garage door.
• ✔ Activate the machine by typing in its mobile phone number. The unit cannot answer voice calls, but when a call is sensed, its logic will activate one or two output relays in a pre-programmed sequence. Since the device does not answer the call, the activation of the relay will not incur any call charges to the PAYG plan or the caller.
• More features

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