Main Features:  1.Sub-device control as multi-mode compatible: Control sub-devices of the gateway, supporting remote control and group control for connected Bluetooth and ZB smart devices in Smart Life App as multi-protocol communication for ZB 3.0 standard protocol and Bluetooth SIG standard protocol based,ensuring stable control of 128 devices as strong performance.  2.Scenario and automation supported: Sub-devices of the gateway act as trigger conditions for linking them with other smart devices through the scenario and automation setting in the app,featured as one powerful network  bridge for whole house linkage in a real sense for all Tuya Smart home devices.  3.Remote control available: Remotely control the devices that are connected to the gateway through the mobile phone via Tuya Smart App no matter where you are,no need to separately control your Bluetooth and ZB devices in two different interfaces,simply control them within one multi-mode gateway hub with reliable local linkage and group control services supported.  4.Smart multi-function with easy operation: Locally executing scenario and automation is preferred, which enables smart scenarios and automation to be executed in case of no network access;Add sub-devices without network access and multiple sub-devices accessing the network at the same time.  5.Support security function: Can be integrated into the Tuya Security SaaS platform for added convenience to satisfy various protection requirements with alarm function; Tuya chip built-in enables voice control via Alexa and Google Home for freeing your hands in another sense.    Specification:  Electrical parameters:5V 1A;  Operating temperature:-10~45℃;  Operating humidity:5%~90%RH Non-condensing;  Wireless protocol: 2.4G WiFi & ZB & BLE&Mesh;  Product size: 92*92*40mm;     Package included:  1 x Multi-mode gateway,  1 x Power cable,  1 x Manual