Our digital thermostat controllers are the perfect solution for providing a constant optimal temperature for a variety of applications. Widely used in heating/cooling equipment. Examples include greenhouse, reptile, incubator, terrarium, freezer, refrigerator, heater, fridge, homebrew, vivarium, fermentation, heat mat, and other temperature-controlled system. Specifications: Plug: EU / US / UK (optional) Material: Flame Retardant PC Temperature Measurement Range: -40~110 Power Cord: 1.4m Temperature Control Range: 16-40 Transmitter: NTC sensor, line length 0.8m Measurement Accuracy: 1 Product Power Consumption: 3W Display Resolution: 0.1 Operating Ambient Temperature: -10~60 Relay Capacity: 10A/250VAC Operating Ambient Humidity: 20~85% (no condensation) Load Capacity: 1100W resistive load Power Supply: 220VAC, optional 110VAC Item Size: 155 * 55 * 35mm / 6.10 * 2.17 * 1.38in Package Weight: 446g / 15.73oz Package Size: 20.5 * 11.5 * 5.5cm / 8.07 * 4.53 * 2.16in Package List: 1 * Digital Temperature Controller 1 * User Manual (English)