Note: The item is ONLY for AC 220V, NOT for AC 110V. Please confirm the voltage of your area before placing an order. The WILLHI WH7016E+ is a professional and practical digital temperature controller, which is designed with wide range of temperature measurement and control area, and with large and clear LCD display for better readability. With over-temperature alarm output and data storage functions, the digital temperature controller can be used for domestic freezer, water tanks, refrigerator, industrial chiller, bolier, steamer, industrial equipments and other temperature-controlled systems. Features - Model: WH7016E+. - Color: as shown in the pictures. - Material: durable hard plastic. - and 10A Digital Temperature Controller Thermostat. - Cooling and heating mode optional. - Return difference 0.1-25 can be adjusted. - Support Delay starting function, 0-30 minutes adjustable. - Support Temperature upper and lower limits setting function. - With power-fail data save function. - With over-temperature alarm output function. - Relay current 10A/220V. Reliable operation resistive load maximum 1000W, 600W maximum inductive load. - Comes with a temperature sensor probe for use. - Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, bolier, steamer, industrial equipments and other temperature-controlled systems. Specifications - Temperature measuring range: -50 C to 110 C /-58 F to 230 F. - Temperature control range: -50 C to 110 C /-58 F to 230 F. - Temperature measurement error: plusmn;0.5 C / plusmn;1 F. - Sensor type: NTC (10K /3435) - Relay current: AC 5A/220V. - Max. power consumption: less than 2W. - Working temperature: -20 C ~ 80 C.