The CC2531 USB dongle is a fully operational USB device which provides a PC interface to IEEE802.15.4 / ZigBee applications, comes with a CC2531ZNP-Prod firmware, the dongle can be plugged directly into your PC/Raspberry etc used as a Zigbee packet sniffer.
Flashed with CC2531ZNP-Prod firmware for zigbee2mqtt application
Lead out 8 IO connectors
Two buttons and two LEDs for user interaction
How to integrate the SONOFF Zigbee products into your home automation system? Please refer to the website of zigbee2mqtt.io for more information. As ITEAD has already done the firmware flash of CC2531ZNP-Prod for CC2531 USB dongle, you can directly start with the section of “Running Zigbee2mqtt”