GSM KEY is a device (Smart controller) that will replace expensive, often lost or broken controllers on your keychain for your gate.
Open your gate or door using a simple call from your phone. The device can handle up to 1000 users that can then access the gate.
GSM KEY is then suitable not only suitable for family houses, but also flat resorts with garages, office complexes or hotels.
Smart controller GSM KEY is not only suitable for opening gates or doors, it can be connected to any device with relay and no remote control. You can remotely control a water pump, blinds or you can turn on heating in your house before you get there and enjoy stay there since the first minute.
More info at www.gsmkey.cz