The Sonoff MINI-D is a compact smart switch designed to bring automation to devices that require a dry contact relay. Because it supports both Normally Open and Normally Closed modes, you can integrate it into a wide variety of systems, such as garage door openers, intercoms, and irrigation solenoid valves, without interfering with the existing power supply of those devices. This versatile module operates on a broad voltage range, supporting either 100-240V AC or 12-48V DC power supplies, with a rated output current of 2A and a maximum load of 8W for low-voltage motors. Its small 41 x 43 x 21.5 mm frame allows it to fit discreetly inside standard electrical junction boxes, where it connects via secure screw terminals. With Matter certification, the device integrates seamlessly into your smart home ecosystem, working with Apple HomeKit, Amazon Alexa, and Google Assistant, as well as the eWeLink app. You can set up automated schedules, create smart scenarios, and receive real-time status notifications, making it a practical choice for those looking to modernize access control or industrial automation tasks.