Features:The upper number displays actual temperature, and the lower displays setting temperature.When the actual temperature is higher than the setting temperature, the temperature controller brackovers, and conversely, it disconnects. strictly according to connection and the positive and negative pole on manual Style: Standing Station: Temperature ControllerDisplay Type: DigitalUsage: IndustrialSpecifications:Model Number: W2809Max Measuring Temperature: 100C - 119CTemperature measurement range: -50C - 110CResolution: 0.1(-9.9-99.9); 1(other temperature range)Measurement accuracy: 0.1CControl accuracy: 0.1CReturn difference accuracy: 0.1CRefresh rate: 0.5STemperature protection: 0-110CInput voltage: DC12VMeasuring inputs: NTC(10K0.5%)Waterproof type sensorOutput: 20A relayEnvironmental requirements: -10-60C , humidity 20% -85%Hole size: 46x26.5mmPower consumption: Static current: less than 35MA,attract current: less than 65MAPower supply: 12V 200MAMaterial:plasticcolour:As ShownPackage Contents:1 x Temperature ControllerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.