Specifications:Model Number: W1218Display 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 Differential Return Accuracy: 0.1°c Refresh Rate: 0.5s Measurement Input: NTC (10K 0.5%) Length 0.3 Meter, Sensor Waterproof Output: 1 way 10A /250VAC 20A/14VDC relayHumidity: 20% to 85% Power Consumption: Le; 35mA (static), le; 65mA (Relay Closure)Overall Size: 48x28x1 8mm/1.89x1.1x0.71"Quantity: 1 SetNote: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before biddingDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No retail packagePackage Included:1 x W1218 Digital Thermostat1 x NTC Probe