The VELUX ACTIVE KIX 300 Indoor Climate Control is a surface-mounted thermostat with advanced features such as humidity sensor technology, app control, voice control, and energy reporting. This model also includes functionalities like open window detection, rotation direction indicator, weather tracking, and fuzzy logic for optimal performance. Made from durable plastic in a sleek white colour, this VELUX thermostat is compatible with Apple HomeKit for easy integration into your smart home ecosystem.