specification Voltage: 220~240VAC 50 / 60Hz Power consumption: 2W Temperature control range: 5~40 degrees Celsius Temperature range: 25~55 degrees Celsius Power saving mode temperature: 5 degrees Celsius Temperature deviation: 0.5K Ambient temperature: -5 to 50 degrees Celsius The degree of protection provided by the enclosure: IP20 External sensor: cable length: 3M feature 1. Designed for floor sensors and other electric heating elements 2. Easy to operate, no need to figure out how to program 3. Automatic safety power switch, on/off control output of heating device 4. With manual switch and knob, easy to operate 5. Can be put into the standard single switch back box 6. Mini size junction box for global use. 7. When the heating is turned on, the LED indicator lights up. 8. Includes complete installation and operating instructions Package Included 1x temperature controller 1xInstruction Manual