XUEMEI 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: 5~40C. 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 pause the heating automatically. Built-in sensor and 3m NTC external floor probe. The built-in sensor is used for room temperature detection, and the external probe provides floor temperature protection to ensure the maximum floor heating temperature does not exceed 50C. LED indicator. This electric underfloor heating thermostat features an LED indicator to show when the heating system is active. The LED lights up when the system is heating. Specifications: Power supply: AC230V 50/60Hz; Power consumption: 5W; Temperature limit range: 25~55C; 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 with 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 with on/off push button and rotary temperature control knob. Adjust the desired temperature by turning the knob. LED indicator shows heating status. Designed for use with electric underfloor heating and other resistive heating systems. Simple operation: 1. Press "on" to activate, "off" to deactivate. 2. Set temperature by rotating the knob to the desired setting. 3. LED indicator illuminates when heating is in progress. Ensure proper installation per included instructions for optimal performance and safety.