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If by “WM-105B-M moes” you mean what this device is, it is a MOES Wi‑Fi smart dimmer module for lighting. The official MOES device-identification page lists WM-105B-M as a WiFi Smart Dimmer Module, operating on 90–250 V AC, with 2.4 GHz Wi‑Fi, IP20, and dimensions of 40 × 40 × 18 mm. (moestech.com)
The most likely practical interpretation is that this is the 2-channel / 2-gang dimmer version, intended to control two dimmable lighting circuits. A MOES reseller also states that the newer commercial name is WM-105B-M-MS, and that the old name was WM-105B-M. (wbnet.eu)
Key points
From the model family information available, WM-105B-M appears to belong to the MOES dimmer-module series where:
Technically, this module is intended to sit behind an existing wall switch or in a mounting box and add:
The most important engineering point is that this is a dimmer, so the connected lamps must be compatible dimmable loads. The reseller description explicitly refers to controlling two dimmable light bulbs, and MOES markets the product as a dimmable module with 0–100% dimming. (wbnet.eu)
There is a specification inconsistency across sources, and this matters:
From an engineering standpoint, the safe conclusion is: *do not assume all WM-105 variants are electrically identical. MOES appears to have multiple related SKUs and renamed variants, so the exact suffix on the label or manual** is important before installation, replacement, or load calculation. (moestech.com)
As of the currently indexed MOES and reseller pages, the official device page for WM-105B-M is still present and dated June 8, 2024, while current sales listings increasingly use names such as WM-105B-M-MS or WM-105-MS. That suggests MOES or distributors may be using updated commercial SKUs while retaining the legacy model reference in documentation. (moestech.com)
A practical trend visible in the current listings is integration with the MOES / Tuya ecosystem, 2.4 GHz Wi‑Fi operation, and support for app-based dimming plus voice control rather than proprietary closed control schemes. (wbnet.eu)
A concise technical snapshot for WM-105B-M is:
| Parameter | Value |
|---|---|
| Device type | WiFi Smart Dimmer Module |
| Model | WM-105B-M |
| Supply voltage | 90–250 V AC |
| Wi‑Fi band | 2.412–2.484 GHz / 2.4 GHz |
| Rated load | Official page: 2 × 50 W at 110 V, 2 × 100 W at 220 V |
| Operating temperature | 0 °C to 40 °C |
| Enclosure/IP | IP20 |
| Dimensions | 40 × 40 × 18 mm |
These values come from the official MOES identification page. (moestech.com)
For installation behavior, reseller material indicates:
One sample answer you were given mentioned eWeLink and Matter support. I would not treat that as confirmed for WM-105B-M based on the sources I checked. The sources I found point instead to MOES app / Tuya / Smart Life, plus Alexa and Google Assistant integration. (wbnet.eu)
Because this is a mains-voltage device, installation should follow local electrical code and safe isolation practice. The available manual snippets emphasize removing the old switch and using an electrical tester, and the product documentation shows conformity/certification references such as EU Declaration of Conformity, FCC, CE, and RoHS depending on the page. (moestech.com)
From a safety perspective, the main risks are:
If you are planning to buy, wire, or troubleshoot this module, the best practice is:
If you want, I can also help with:
The main limitation here is that MOES naming is somewhat inconsistent across official and reseller pages. The most reliable technical identification for WM-105B-M is the official MOES entry, but storefronts show nearby variants with different dimensions and load ratings. For engineering decisions, the unit label and matching manual should be treated as the final authority. (moestech.com)
If you want a precise answer, send one of these:
With that, I can give you a model-specific engineering answer rather than a general identification.
WM-105B-M is a MOES Wi‑Fi dual smart dimmer module for lighting, intended for 2.4 GHz Wi‑Fi operation and typically requiring live and neutral. The strongest current evidence indicates it is the older name for a product now often sold as WM-105B-M-MS, but the exact suffix matters because published load ratings and dimensions differ across closely related MOES variants. (moestech.com)
If you want, I can next give you:
