The Mill PA1500WIFI4 is a steel panel heater with integrated Wi-Fi connectivity and a power output of 1500 watts, designed for the efficient and silent heating of larger rooms ranging from 18 to 22 square meters. This sleek heating panel features built-in Wi-Fi connectivity and advanced smart control functions via the Mill app, allowing remote temperature control and energy consumption monitoring. With dimensions of 85 cm in width, 40 cm in height, and 10.3 cm in depth in a white finish, the heater utilizes X-Aluminum heating elements that provide quick, even heat distribution at low surface temperatures for enhanced safety in homes with children and pets. Energy efficiency is optimized by Mill PID Wattage Technology, which ensures stable temperatures with reduced energy consumption, as well as Predictive Heating, which learns household habits to preheat rooms accurately as needed. The device operates completely silently and features an open window detection function that automatically pauses heating during sudden temperature drops. With an IPX4 protection rating, it is suitable for use in bathrooms, and connectivity options include 2.4 GHz Wi-Fi, Zigbee 3.0, and Matter compatibility for integration with Google Home, Amazon Alexa, and Apple HomeKit systems. Installation is straightforward with included wall mounts and screws, equipped with a 130 cm long power cable on the right side. The panel heater, designed in a Scandinavian style, combines discreet aesthetics with reliable performance, offering an effective supplementary or alternative heating solution for living spaces.