The Aqara Wireless Mini Switch T1 is a remote-control switch with a compact design and low energy consumption. You can place or stick it almost anywhere. Single press, double press, or long press to control various smart accessories, such as, Smart Light and Smart Plug. Key Features Works as a Smart Doorbell Works as an Emergency Button Multi-Ecosystem Support

*Requires AQ-HUB-E1, AQ-HUB-M1S-G2, AQ-HUB-M2, AQ-HUB-M3, AQ-HUB-CAM-G2H-Pro, AQ-HUB-CAM-G3*