Smart Home Appliance Connector: Bluetooth Gateway,Support many smart home devices, compatible with smart locks, light sources, switches, sockets, smart appliances and more. Easily extend the smart home system to every room, automate, and remote. Remote Control: It connects with the smart door lock to realize remote control and open the door lock when you are not . Stable and Reliable: The gateway connection works stably, with wide coverage, strong reception signal, low power consumption, and the Micro-USB can keep working when it is powered on. Perfect Size: It only occupies a small space. Black square design, it is a decoration in your home. Service : No installation is required, the gateway powers up and is ready to use, with absolutely no wiring or technical skills required. There are detailed instructions and operation videos, cell phone connection is more convenient. Color: As Shown Material: plastic Package Contents: 1 * Gateway Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.