Devices / switch
UFairy G.R. Tech GR-B3-3
Also known as UFairy G.R. Tech 3 Gang In-Wall Switch
ControllableImported
Fully drivable by open code over the stock firmware.
3 Gang In-Wall Switch (Z-Wave).
Get started
One known way to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.
Before you start- Back up your data and settings (and the stock firmware, when the guide says how).
- Check the exact model, hardware revision and firmware version against the guide: a close model may not work.
- Charge the battery or use a stable power supply; do not unplug during the install.
Pair with Z-Wave JS
MediumNeeds a cable or the command line · Z-Wave JS
- You need
- Z-Wave USB controller (same frequency region as the device), Computer or Raspberry Pi running Z-Wave JS (e.g. Z-Wave JS UI)
- Device opened
- No
- Brick risk
- None
- Reversible
- Yes
No flashing: the device keeps its firmware and is included in your own Z-Wave network; exclude it to undo.
No install report yet. · Report how it went
OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.
- ID
- ufairy-g-r-tech/gr-b3-3
- Category
- switch
- Vendor support
- Unknown
- sku
- GR-B3-3, zwave:0x0152:0x0500:0x0005, zwave:0x0152:0x0a00:0x0004
- Updated
- 2026-10-17
Being worked on
No live claim. If you start working on this device, claim it so nobody duplicates your work.
Interfaces
| Interface | Transport | Status | Confidence | Spec / notes |
|---|
| Z-Wave | zwave | documented | not stated | spec |
Projects
Verification
Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.
Provenance
AI assistance not stated.
Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.