Zigbee Bridge Ultra is a Zigbee gateway, it can manage up to 256 SONOFF Zigbee sub-devices, like SNZB-06P human presence sensor , ZBMINIL2 smart switch, S26R2ZB smart plug, SNZB-03P motion sensor...making your home smarter. *Only supports Zigbee sub-devices from SONOFF brand and eWeLink ecosystem. In addition to Wi-Fi connectivity, Zigbee Bridge Ultra offers the reliability of an Ethernet RJ45 port connection, ensuring a stable and responsive home automation experience. What's more, Zigbee Bridge Ultra acts as a Matter bridge, allowing the Zigbee sub-devices can be seamlessly integrated with the Matter ecosystem (Alexa, Google Home, Apple Home, and SmartThings). *Only supports Zigbee sub-devices from the SONOFF brand and eWeLink ecosystem. Compared with ZBBridge-P, ZBBridge-U has a powerful configuration, built-in EFR32MG21 chip, equipped with 1.5GHz dual-core CPU,1GB DDR4 memory, and 8GB eMMC storage, support adding up to 256 SONOFF Zigbee sub-devices, 200m distance coverage (in the Turbo Mode), support Sub-device OTA update, easily handles data processing and supports your smart home automation running as expected. Zigbee Bridge Ultra is more than a hub, it can also work as an alarm. Set a scene to realize one tap to defense by NFC triggered, wireless button pressed, or app remote control. You will hear the beep and get the notification push when the event happens.