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 : 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 mission. This feature is crucial in preventing data loss and communication errors in densely populated smart home environments. Robust Build Quality: Encased in a aluminum housing, the dongle minimizes signal interference from nearby electronic devices. This design not only enhances the signal quality but also extends the device's lifespan by protecting its internal components from external disturbances. Color:Black Material:ABS Package Contents: 1 * Zigbee 3.0 USB Dongle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.