Name labels can be installed behind the buttons. Easy to use Windows software to manage settings. Supported operating systems: Windows 7 / 8 / 10. The device can be configured also using SMS messages. Two relays to control two separate doors or other devices.
Free call mode to control the relays without a charge. The device will answer to only these numbers and hang all the other numbers. 3 additional digital inputs and 2 outputs on the rear panel. Quad band, 850 / 900 / 1800 / 1900 MHz.
Wide voltage input range of 6-24 VDC. The item "GSM door phone, intercom, 4 buttons" is in sale since Wednesday, February 17, 2016.This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Other Smart Home Electronics". The seller is "hasseb85" and is located in Helsinki. This item can be shipped worldwide.