Yoswit Smart Switch Module

Product Code / Model: YO619 (R2W)

Type: Smart hidden switch module / in-wall module

Manufacturer: Designed by Yoswit in Hong Kong, assembled in China

Compliance: CE, FCC, RoHS

Tagline

Make your existing lighting smart — no switch wall box required.

Key Features

• No switch box dependency
  The module does not need to be installed inside a switch wall box. It can be placed behind furniture, behind a light fixture, or above the ceiling.
• Built-in timer / automation
  Schedule operation by week, day, hour or minute. Schedules are stored in the module and keep running even if the phone disconnects.
• Proprietary topology / Bluetooth mesh-like network
  Uses a proprietary Bluetooth-based mesh-like network, allowing tens, hundreds or thousands of wireless devices to communicate reliably and securely.
• Wireless control without a gateway
  Connects directly to a phone over Bluetooth — no hub or router required for basic local control.
• Remote control with gateway
  When paired with a Yoswit gateway, the module supports remote control from anywhere.
• Voice control
  Integrates with mainstream smart speakers such as Alexa and Google Assistant.
• High compatibility
  Supports common bulb types from incandescent to LED, including low-wattage LED down to 1W.
• Dual operation modes
  Short-press / long-press modes can be configured in the Yoswit App. Can control On/Off loads such as lights, fans, electric glass; or Open/Close loads such as magnetic locks, roller shutters, motorized curtains.
• Default power-up state
  After power recovery, the module can default to On or Off according to user setting.

Typical Specifications (module-level; confirm with YO619 datasheet)

Installation Notes

• No wall-box installation required.
• Disconnect power before wiring.
• Place the module in a dry, indoor location behind furniture / fixture / ceiling.
• Installation involving mains wiring should be done by a licensed electrician.
• Connect to Yoswit App; module is detected automatically.

App Setup

Download the Yoswit App. The Smart Switch Module is automatically detected and added to your device list. Use the app to set timers, operation modes, default power state, scenes, and voice-assistant integration.

Downloads

• Datasheet: Download
• Leaflet: Smart Light Switch
• Full catalogue / Catalogue (Hong Kong)
• User manual: Download / Download (Simplified Chinese)
• Yoswit App: iOS / Android APK