【Look first】: When pressing the SW1 button, be sure to keep it pressed for a full "10 seconds" until the indicator light starts to "flash fast and flash slow" alternately, not just flash quickly. This is to prevent connection failure due to not fully entering the operating mode.【Achieve Smart Control】: X X-HOUSE SM18-03W WiFi controller is designed to operate the gate using a smartphone. Whether you are at home or on vacation, you can fully control the operation of the gate in a WiFi environment. Just operate it through your smartphone and enjoy the ease and convenience of instant gate access.【WiFi & RF Control】After pairing, when the wifi controller is connected to WiFi (2.4GHz), you can fully control the operation of the gate on your smartphone. Even if there is no WiFi signal, the WiFi controller can realize the opening and closing of the gate via Bluetooth. (Using the RF function requires the phone to be close to the gate) Just tap on the smartphone to open, close or stop the gate, without using a physical remote control or keyboard.【Widely Compatible】: SM18-03W WiFi &RF controller is suitable for all X X-HOUSE gate openers, and compatible with gate opener systems whose control board has a 12-24V power port (such as "2SIDE, 1SIDE, START, OPEN, STOP, CLOSE") to control the motor. You can download XHouse IOT from Google Play Store or Apple APP Store, etc., and create an account to connect the wifi controller.【Sharing and Management】: Supports multi-user control, which can quickly share door access rights with family and friends. Just scan the administrator's QR code to share control of your WiFi controller. At the same time, in administrator mode, you can have the authority to add and delete users, and manage the operation log of each relay. Let you and your family and friends share convenience while getting reliable security.【Professional Services】: We provide 12-months-guarantee and technical support for quality-related issues. If you have any questions, our professional after-sales team will help you.