100% Brand New and High Quality A mini temperature controller With large and clear LCD display for better readability Wide temperature measuring range High performance and durable housing Heating and cooling control Temperature calibration function Delay protection function Ex-factory parameters locking function after short circuit Upper and lower limits of temperature can be set Can be used for domestic freezer、 water tanks、 refrigerator、 industrial chiller、 bolier、 steamer、 industrial equipments and other temperature-controlled systems Comes with temperature sensor probe 1. Wiring diagram、 Binding Post 1/2: normally open contact of relay Binding Post 3/4: connect to 12V power supply Binding Post 5/6: after short circuit lock on default set、 users can’t change Binding Post 7/8: connetct to temperature sensor Note: load means heater or cooling plant 2. Electric Property Range of temperature measurement::-50⊂C~110⊂C Range of temperature control: -50⊂C~110⊂C Temperature measuring error: ?.5⊂C Sensor Model no. NTC (10K/3435) Control Accuracy:1⊂C Power Supply: 12V Current on Relay Contact:AC 5A/220V Data Storage: Yes Working Temperature: 0⊂C~50⊂C Storage Temperature:-10⊂C~60⊂C