The Shelly Pro 2 is a 2-channel smart relay designed for DIN-rail mounting in breaker boxes, offering control of two separate circuits up to 16A each. It features dry contacts for controlling various low or high-voltage circuits, and supports both LAN and Wi-Fi connectivity with Bluetooth for easy setup. The device can be controlled remotely via the Shelly Smart Control app or voice assistants like Alexa and Google Home, without requiring a hub. It includes scheduling, timers, and personalized scenes for home automation, along with enhanced safety features like over-temperature, overpower, and overvoltage protection.