eWeLink - You are right, it's Sonoff Zigbee Bridge. Like

Building a smart home: 5 things I wish I'd known before getting started

Setting up a motion activated light with Sonoff Zigbee sensor and T2 WiFi switch - CNX Software

A Wired Sonoff Zigbee Alternative – The Helpful Idiot

You can customize 3 modes by setting different arming devices. The local smart scene always works well even Wi-Fi is disconnected. Note that the local

SONOFF Zigbee Bridge Pro Gateway Smart Home Wireless Remote Control for eWeLink

Sonoff ZBMiniL2 is taking ZigBee to the extreme! - NotEnoughTech

ZBMINI - SONOFF Official

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EACHEN High Performance eWeLink Zigbee Bridge Pro with Ethernet Connection

It's official. eWeLink Home Assistant Add-on arrives. - eWeLink

eWeLink - You are right, it's Sonoff Zigbee Bridge. Like the RF Bridge, you can add multiple sub-devices to it.(up to 32 sensors/wireless switches)

eWeLink Zigbee Bridge ZBBridge-SA Zigbee compatibility

SONOFF Zigbee 3.0 USB Dongle Plus-E Gateway Smart Bridge Universal with Antenna