Magnum M9-RTS3 is a solar-powered 3-channel temperature sensor that wirelessly transmits temperature data using the EnOcean wireless protocol. With a measuring range of 0°C to 70°C for the HOT channel and -40°C to 20°C for the COLD channel, it is ideal for monitoring temperatures in various indoor environments. The device features a transmission interval of 120 seconds when there is a temperature change or when manually operated, ensuring timely updates. Its compact design and easy installation make it suitable for a wide range of applications, including smart homes, offices, and warehouses.