Features:<br> No call charges, the GSM gate opener rejects the call from authorized number then carries out the turn on/off action on the first. So, you can open gate or garage door with a free call from your mobile phones.<br> The GSM gate opener is very simple device which can be used for authorized door access, controlling gates, switching of remote equipment, car parking systems.<br> You do not need to worry the stranger can control your GSM set to open your door. You can protect your assets with low cost.<br> You can open gate or garage door with a free call from your mobile phones. You can set the device by APP, you can also can open the door quickly by shaking your phone.<br> Based on GSM network, it can be widely used in doors, guardrails, shutters, parking systems, household appliances, computer rooms, greenhouses, remote equipment switching, industrial remote control, etc.<br> <br> Specifications:<br> Material:Metal<br> Size: Approx.8.2x7.6x2.7cm/3.22x2.99x1.06inches<br> <br> Note:<br> 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.<br> 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> Thanks for your understandings.<br> <br> Package includes:<br> 1x GSM Gate Opener<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin