Simple room thermostat with a rotary regulator and floor sensor included (NTC, 10 kOhm) For control of electric or hot water underfloor heating and other electric heaters The adjustment range is from +5C to +40C, an economy switch allows manual lowering of the night This unit does not have an internal ambient temperature sensor and must therefore be used with the external floor sensor provided. Dimensions: 86 x 86 x 45 mm Features: Min/Max temperature limitation Continuous temperature preselection. LED indicator light (heating mode). NTC external temperature sensor (3m connection cable). Technical data: Mounting type: flush-mounted. Model: Wired Operating voltage: 230V Maximum load: Switching power: 16A / 3680W. Adjustment Type: 2 point on/off Operating temperature: -5C to +50C. Probe: External NTC 10 kOhm 3 m. Temperature control range (internal): - Temperature regulation range (external): 5-40C (soil probe). Frost protection: yes. Soil limitation range: 5-40C IP rating: IP20. Screen/Lighting: - Dimensions (W x H x D): 86 x 86 x 45 mm. Package includes: 1 x MST1 Thermostat 1 x Floor Sensor 1 x mounting accessories. 1 x user manual in German. Note: This unit does not have an internal ambient temperature sensor and should therefore be used with the external floor sensor provided.