feature: easy to use Simple to operate, no need to figure out how to program. LED lights The LED indicator lights up when heating. perfect set Includes complete installation and operating instructions along with 1* Heating Thermostat, 1* Cable Wire and 2* Screws. 50 meters long line Please place the sensor in the mounting enclosure, bury the enclosure under the floor, thicken its ends and place it as high as possible on the concrete layer. The sensor cable can be extended up to 50 meters with other cables. Scope of application Specifically designed for floor sensors and other electric heating elements. Specification: Type: Heating Thermostat white color Quantity: 1 Material: plastic + metal Voltage: 220VAC/230VAC 50/60Hz Power consumption: 5VA Temperature control range: 540 Limit temperature range: 2555 Energy saving temperature: 5 Temperature switch deviation: 0.5K Ambient temperature: -5~50 Shell protection: IP20 External sensor: lead length is 3 meters Shell material: flame retardant PC Packing size: 10*10*6.5cm/3.93*3.93*2.55in Weight: 180 g / 6.35 oz Package: 1* Heating Thermostat; 1* Cable Wire; 2* Screws; 1* User Manual