The Sonoff Kit Security Basic Starter is a wireless home security set designed for interior monitoring. This white system, constructed from durable PC material, allows you to detect both motion and the opening of doors or windows to keep your living space secure. It connects via Wi-Fi and maintains a working distance of up to 100 meters, ensuring reliable coverage across different rooms. Because it is battery-powered, you can place the sensors wherever they are needed without worrying about electrical wiring. The components are built to operate in temperatures ranging from -10 to +60 °C and humidity levels between 5% and 95% RH, making them adaptable to various indoor environments.