Xiaomi A6121 vs Danalock V3-BTZB

Side-by-side Zigbee platform compatibility for two locks — see exactly what each one works with.

Xiaomi A6121
Xiaomi A6121Vima Smart Lock Cylinder✓ 3 platforms
vs
Danalock V3-BTZB
Danalock V3-BTZBV3 Smart Lock✓ 5 platforms

Platform support compared

Platform Xiaomi A6121 Danalock V3-BTZB
ZHA (Home Assistant)
Zigbee2MQTT
deCONZ
Zigbee2Tasmota
ioBroker
Zigbee for Domoticz
iHost

The Danalock V3-BTZB works with more platforms (5) than the Xiaomi A6121 (3). They share Zigbee2MQTT, ioBroker, Zigbee for Domoticz. Only the Danalock V3-BTZB adds ZHA (Home Assistant), deCONZ.

Recommended Zigbee coordinators

Either device needs a Zigbee coordinator to join your network. These are the ones we'd buy:

🟢SONOFF Zigbee 3.0 USB Dongle PlusMost popular all-rounder — works with ZHA, Zigbee2MQTT & moreView on Amazon →Also on AliExpress →
🏠Home Assistant Connect ZBT-1Official Home Assistant coordinator (formerly SkyConnect)View on Amazon →Also on AliExpress →
🔵ConBee IIRock-solid choice for deCONZ / Phoscon setupsView on Amazon →

As an Amazon Associate, WillItPair earns from qualifying purchases. This doesn't affect what you pay.

Frequently asked questions

What's the difference between the Xiaomi A6121 and the Danalock V3-BTZB?

The Danalock V3-BTZB works with more platforms (5) than the Xiaomi A6121 (3). They share Zigbee2MQTT, ioBroker, Zigbee for Domoticz. Only the Danalock V3-BTZB adds ZHA (Home Assistant), deCONZ. Both are Zigbee locks, so the practical difference for most people comes down to which smart-home platform they each support.

Can I use the Xiaomi A6121 and the Danalock V3-BTZB on the same hub?

Yes. Both are supported by Zigbee2MQTT, ioBroker, Zigbee for Domoticz, so you can run them side by side on the same Zigbee coordinator and bridge.

Does the Xiaomi A6121 work with Home Assistant?

The Xiaomi A6121 isn't natively supported by Home Assistant's ZHA integration, but you can use it through Zigbee2MQTT if Z2M support is listed above.

Does the Danalock V3-BTZB work with Home Assistant?

Yes — the Danalock V3-BTZB works in Home Assistant via the ZHA integration.