Enhanced Connectivity: Experience superior wireless range with a 20dBm output gain and up to 400M line-of-sight communication. This high-powered performance ensures reliable and extensive coverage for your smart home devices across different rooms and floors. Ready Out of the Box: Equipped with the latest Z-Stack 3.x.0 firmware, this Zigbee 3.0 USB dongle is ready for immediate deployment. It also supports router firmware updates, enhancing network coverage and compatibility with a wide range of smart home devices. Broad Protocol Support: Designed for versatility, this dongle seamlessly integrates with major smart home protocols including Home Assistant ZHA, Zigbee2MQTT, OpenHAB, and OpenWrt HassIO. It's the perfect tool for building or expanding a flexible and comprehensive smart home ecosystem. Stable and Secure Communication: With built-in ESD protection and software flow control, the dongle ensures safe and consistent data transmission. This feature helps prevent data loss and communication errors in densely populated smart home environments. Robust Build Quality: Encased in an aluminum housing, the dongle minimizes signal interference from nearby electronic devices. This design enhances signal quality and extends the device's lifespan by protecting internal components from external disturbances. Color: Black Material: ABS Package Contents: 1 x Zigbee 3.0 USB Dongle Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowance is +/- 1-3cm.