Function: Easy to Use Easy to use, no need to figure out how to program. LED Lamps The LED indicator lights up when heated. 50 Meter Long Line Place the sensor in the mounting box, bury the box under the floor, expand its ends, and position it as high as possible on the concrete layer. The sensor cable can be extended up to 50 meters with additional cables. Application Area Specifically designed for floor sensors and other electric heating elements. Specifications Type: Heating Thermostat Color: White Quantity: 1 Material: Plastic + Metal Voltage: 220VAC/230VAC 50/60Hz Power Consumption: 5W Temperature Control Range: 540 Temperature Range: 25-55 Energy-Saving Temperature: 5 Temperature Deviation: 0.5K Ambient Temperature: -5~50 Scaling Protection: IP20 External Sensor: Cable length is 3 meters Material: Flame-Retardant PC Packaging Size: 10*10*6.5cm/3.93*3.93*2.55 Weight: 180 g / 6.35 oz