Smart Lock Wi-Fi Gateway Model Name: G2 BRAND NEW ITEM FREE SHIPPING [Compatibility] Works for Sifely, samtechT and Dermum Branded Smart Door Lock. [EASY SET UP] Just plug it in, connect and set up with your smart lock app within 2 minutes. One Sifely Wi-fi gateway can pair as many locks as you want. We strongly recommend that the distance between locks and gateway is 10 feet for a strong connection. [Remote Control] Remotely control your door lock anywhere in the world even if you are away from home. Set, change, delete codes from anywhere anytime. You can also check door status, battery life and activity logs remotely in real-time. Note: Our gateway connects only to 2.4 GHz networks. [Instant Alerts] Get Instant alerts who enters or exits your home.