With this Schneider Electric Merten System M Wiser Module Thermostat, you can control the indoor temperature. This product is compatible with both inserts: a 16A relay for electric heating (underfloor heating, radiators, hydronic underfloor heating) and a 2A relay for hydronic systems (radiators, underfloor heating, circulation pumps, and motorized valves). The communication interface protocol of this device is Zigbee 3.0, integrated into the Wiser Home System. The power consumption in standby (no load switching) must be less than 0.5W. The dimensions are (H) 55mm x (W) 55mm x (D) 14mm. This product serves as a temperature controller for electric underfloor heating with a floor sensor (only in combination with the 16A relay insert). This device also acts as a room temperature controller for hydronic or electric applications and can provide heating or cooling for hydronic underfloor systems (only in combination with a 2A relay). The smart thermostat connection or standalone operation with a capacitive touch display is easy to set up and integrates into the Merten System M design. Remote access and easy scheduling with the Wiser Home App are also possible. The product must be operated with an input power of 230VAC single-phase +/- 10% at 50-60Hz. The device can be installed in a CE60 wall box and achieves protection class IP30. The transmission frequency is 2.4GHz, and the operating range is 30m in free space. This device complies with CE and CB certifications. It is a quick installation solution that does not require an internet connection. The color of the product is black with RAL 9005. The universal input allows for energy savings in combination with a proximity sensor when no one is in the room. A solution for Merten customers who need connectivity and remote control as part of the Wiser Home System.