The T2US1C with Touch switch; TX; 100÷240VAC; in mounting box; -10÷40°C; 433MHz by Sonoff is an electronic part designed for home and automation devices. It features a touch switch with a range of up to 50 meters, a maximum voltage of 100÷240VAC, and an operating temperature range of -10÷40°C. It includes a 433MHz radio frequency module that allows it to work with external devices like Alexa, Google Home, If This Then That, and other home automation systems. It comes with a mounting box that makes it easy to install in walls, ceilings, or any other surface. It is manufactured by Sonoff, a leading maker of home automation products.