ZDD Flush mount, this manual room thermostat is designed to provide automatic on/off control for electric underfloor heating systems and other electrical heating elements. Temperature control range: 5–40°C. Output: Max 16A. CE certified, safe and easy to use. Turn on the push button and then set the room temperature by turning the rotary knob. When the built-in air sensor detects that the room temperature reaches the preset level, the thermostat will automatically pause the heating. Equipped with a built-in sensor and a 3m NTC external floor probe. The built-in sensor measures room temperature, while the external probe provides floor temperature protection to ensure the maximum floor temperature does not exceed 50°C. LED indicator shows when the underfloor heating system is active. When the LED is on, heating is in progress. Specifications: Power supply: AC230V 50/60Hz; Power consumption: 5W; Temperature limit range: 25–55°C; Degree of protection: IP20. Package includes: 1 x thermostat, 1 x 3m floor sensor, 2 x mounting screws, 1 x English user manual. Safe, energy-saving, and high performance. Wall-mounted design for indoor use. Ensures free air circulation around the unit. Avoid placement near heat sources, direct sunlight, drafts from doors or windows, or exterior walls that may affect temperature readings. Easy to operate: On/Off push button and rotary knob for precise temperature control. LED indicator confirms heating status. Suitable for electric underfloor heating and other electric heating applications. Operating voltage: 220–240VAC 16A 50/60Hz. Temperature range: 5–40°C. Differential per temperature: 0.5°C.