The Wi-Fi Master SD-250W wireless dimmer adjusts the brightness of single-color 12–24 V DC LED strips, dimmable LED bulbs and halogen bulbs. It is a single-channel digital controller with Soft Start functionality, operated via the MASTER Smart Home app, a push button or systems using the 1–10 V protocol.

It connects to a 2.4 GHz Wi-Fi network without requiring a central hub and supports voice commands via Google Assistant and Amazon Alexa. The app allows you to schedule commands weekly and create smart scenarios, while the firmware updates automatically. It features electronic protection against short circuits, overheating and overvoltage, with automatic recovery to operating mode.

• Type: Dimmer
• Channels: 1
• Connectivity: 2.4 GHz Wi-Fi
• Operating voltage: 12–24 V DC
• Control power: 250 W at 12 V and 500 W at 24 V
• Controlled loads: Single-color LED strips, dimmable LED bulbs and halogen bulbs
• Control: MASTER Smart Home app, push button and 1–10 V protocol
• Function: Soft Start
• Protection: Against short circuits, overheating and overvoltage, with automatic recovery
• Operating temperature: From -20 °C to +50 °C
• Storage temperature: From -20 °C to +60 °C
• Wire terminals: For solid and stranded wires with a diameter of 0.5–3.5 mm
• Mounting: Surface-mounted
• Voice control: Google Assistant and Amazon Alexa