W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security For 2.4G WiFi only: To ensure a stable connection between the W100 gateway, router, and lock, the gateway should be within 16 feet of the router and the gateway should be within 6 fins of the lock. Remotely Control: You can remotely unlock, set, modify, or delete passwords from miles away, free from Bluetooth distance limitations. Additionally, you can view the status of doors or windows in real time. Easy Installtion: It is recommended to install the gateway and door sensor together on the door or window, as the For WeHere app sends real-time notifications whenever the doors or windows are opened or closed. Color: White Material: plastic Package Contents: 1 x Gateway 1 x Door Magnetic Sensor