Shelly Pro 2 is a two-channel smart relay designed for DIN-rail mounting inside the distribution board. Both outputs are potential-free (dry) contacts, allowing two independent circuits to be switched separately - for example lighting and a socket group - with up to 16 A per channel and 25 A total.<br><br>The Pro line adds dual connectivity: an Ethernet RJ45 port for a stable wired network link and Wi-Fi 802.11 b/g/n for wireless integration, plus Bluetooth 4.2 for initial setup. The device is powered from 110-240 V AC, single-phase, with consumption below 3 W.<br><br>The enclosure occupies a single DIN module (94 x 19 x 69 mm) and includes temperature, overcurrent and overvoltage protection. It is intended for professional installation by a licensed electrician behind the circuit breakers.