1. Introduction
Thank you for choosing the MOES Mini Tuya Smart Switch/Dimmer Module. This module allows you to convert your traditional light switches into smart switches, enabling remote control via smartphone app, voice commands, and scheduling. This manual provides detailed instructions for installation, operation, and troubleshooting.
Product Overview:

Figure 1: MOES Mini Switch Module (ZM-104-M) and compatibility
What's in the Box:
- Smart Switch/Dimmer Module (1 or 2 Gang)
- Mounting Bracket
- User Manual (this document)
2. Safety Instructions
WARNING: Risk of Electric Shock. Installation must be performed by a qualified electrician or a person with electrical knowledge.
- Ensure the power supply is OFF at the circuit breaker before installation, removal, or maintenance.
- Do not exceed the maximum load rating of the device.
- Use only in dry locations.
- Do not attempt to repair or modify the device.
- Keep out of reach of children.
- Follow all local electrical codes and regulations.
3. Setup and Installation
3.1 Wiring Instructions
Before wiring, ensure the main power supply is turned OFF at the circuit breaker. Incorrect wiring can damage the device or cause electric shock.
For ZM-104-M (1 Gang Smart Switch Module):

Figure 2: ZM-104-M Terminal Layout
- L (Input): Connect to the Live wire from your mains supply.
- N (Input): Connect to the Neutral wire from your mains supply.
- L (Output): Connect to the Live wire of your light fixture (Load).
- S1: Connect to one terminal of your traditional wall switch. The other terminal of the wall switch should be connected to the Live wire (L).
For ZM-105B-M (2 Gang Smart Dimmer Module):

Figure 3: ZM-105B-M Terminal Layout
- L (Input): Connect to the Live wire from your mains supply.
- N (Input): Connect to the Neutral wire from your mains supply.
- L1 (Output): Connect to the Live wire of your first light fixture (Load 1).
- L2 (Output): Connect to the Live wire of your second light fixture (Load 2).
- S1: Connect to one terminal of your first traditional wall switch. The other terminal of this switch should be connected to the Live wire (L).
- S2: Connect to one terminal of your second traditional wall switch. The other terminal of this switch should be connected to the Live wire (L).
3.2 Mounting the Module
The module is designed to be compact and can typically be installed behind a traditional wall switch or within a ceiling rose. Use the provided mounting bracket if necessary to secure the module.

Figure 4: Module Dimensions and Mounting Bracket
3.3 App Pairing
This module works with the Tuya Smart or Smart Life app. For Zigbee versions, a Zigbee gateway (hub) is required.
- Download App: Search for