SPECIFICATIONS Compatibility: This Aqara device only functions when connected to the Mainland China server, which can be selected in the Aqara app. APP Region Requirement: Must select Mainland China for full compatibility. Brand Name: Aqara Certification: CE Communication Method: Zigbee Control Channels: 4 Channels Features: Ride On Gyro: CE High-Concerned Chemical: None Inbox Adaptor: Not Included Maximum Speed: Mainland China version Model Number: Mainland China version Origin: Mainland China Power Source: DC Scale: 1:4 State of Assembly: Ready-to-Go Product Description CN Version Aqara E1 Hub Gateway is a Zigbee 3.0 and Wi-Fi relay device that supports remote control for smart home systems. It is compatible with Xiaomi Mijia, Mi Home, HomeKit, and the Aqara Home App. Important Notice This product works only with servers located in Mainland China. When connecting with the Aqara Home or Mi Home app, you must set the region to Mainland China in the app settings for successful pairing. The Aqara Gateway E1 is compatible with Mi Home App, Apple HomeKit, and the Aqara Home App. However, please note: Switching between platforms (e.g., from Mi Home to Aqara Home App) will reset the gateway to factory settings. This will require reconfiguration of the network, automation settings, and reconnection of any sub-devices. The gateway cannot connect to both the Mijia and Aqara Home apps simultaneously. Use either Mijia App + HomeKit or Aqara Home App + HomeKit, not both.