Quantity: one piece Voltage: 220 VAC/230 VAC 50/60 Hz Power consumption: 5 VA Temperature control range: 540 Limit temperature range: 2555 Energy saving temperature: 5 Temperature switch deviation: 0.5 K Ambient temperature: -5~50 Hull protection: IP20 External sensor: cable length is 3 meters Shell material: Fireproof PC Wide control range: made of high quality materials, temperature control range +5/+40. Intuitive display: LED lights up when 'it is heated, which allows you to see more intuitively. Easy to use: meets the requirements of safety, energy saving and comfort. Simple installation : applied to the automatic space heating control system, easy to operate. Simple installation: it is installed on the interior wall and the installation is simple. Good quality product p>