【Two-in-One ZigBee + Bluetooth Gateway】Combines ZigBee and Bluetooth technology in one gateway, offering seamless integration for your smart home devices 【Connect Up to 128 Devices】Supports simultaneous connection of up to 128 ZigBee devices, ensuring a highly expandable smart home network 【APP Remote Control】Control all connected devices remotely via the Tuya app, anytime and anywhere 【Voice Control Compatibility】Works with Amazon Alexa and Google Home for hands-free voice control of your smart home setup 【Group Settings for Automation】Create groups and set up automation rules to enable synchronized control and interaction between multiple devices Specifications: Power Input: Micro USB 5V 1A Working Current: <1A Operating Temperature: -10℃ to 55℃ Operating Humidity: 10%-90% RH Bluetooth Version: 5.0 Wireless Protocol: 2.4G Wi-Fi 802.11 b/g/n Maximum Theoretical Device Load: 128 standard ZigBee and single-point SigMesh low-power devices (actual load may vary depending on usage environment)