One Aqara Hub M2 can connect up to 128 Aqara devices (Zigbee repeaters required). Zigbee 3.0 Support, supports all the latest Aqara devices based on the fastest, most stable, and energy-efficient technology. Control your existing IR devices such as fans, air conditioners, TVs from any part of your room by voice and via home automations (indoor use only). The Aqara Hub M2 makes your Aqara devices compatible with a wide range of smart home ecosystems and voice assistants. Apple HomeKit, Google Assistant, Amazon, Alexa, and More are supported. Apart from Wi-Fi the Hub M2 supports wired connection via Ethernet RJ-45 extra stability and lower response time.