ITEM NAME:W1218 DC12V Digital Thermostat Temperature Controller For Incubator w/ Probe Red Specifications: Model Number: W1218 Display Color: Red Probe operating temperature: -20 °C to 100 °C Display operating temperature: -10 °C to 60 °C Operating voltage: 12V DC Measurement accuracy: 0.1 °C Control accuracy: 0.1 °C Return difference accuracy: 0.1 °C Refresh rate: 0.5s Measuring input: NTC (10K 0.5%) length 0.3 meter, waterproof sensor Output: 1 way 10A /250VAC 20A/14VDC relay Humidity: 20% to 85% Power consumption: ≠¤ 35mA (static), ≠¤ 65mA (relay close) Overall Size: 48x28x18mm/1.89x1.1x0.71" Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you.Model Number: W1218. 1 x W1218 Digital Thermostat. Display Color: Red. Also note that monitor settings may vary from computer to computer and may distort actual colors.