"This professional temperature controller can be used for vegetable greenhouses, domestic water tanks, refrigerators, industrial chillers, boilers, aquariums, aquaculture and other temperature-controlled systems. Features: A useful temperature controller to intelligently control the temperature. Large and clear dual LED display for better readability. Wide temperature measurement range temperature -40 120 (-40 248). Cooling and heating control, equipped with power cord. Delay protection function. Supports fat memory (the set parameters are still valid after a short circuit. Can be used for vegetable greenhouses, domestic water tanks, aquarium, aquaculture and other temperature-controlled systems to control temperature. Features: Color black Material: PC Working voltage: 85V250V Rated current: 10A Power consumption: 3W Power consumption of standing position: 0.5W Temperature control accuracy: 0.1 Resolution: 0.1 Measurement error: 0.3 Control range: -40 120 (-40 248) Rotation temperature range: 0.130 (adjustable) Working temperature: -20 70 (-4158) Working humidity: 90% RH non-condensing Temperature sensor: NTC 25 = 10K B3435 1% (1.48m pipe) Power line length: 1.45 m / 57.1 inches Relay: 10A / AC220V Item size: 15.5 * 6 * 2.8cm / 6.1 * 2.4 * 1.1in Item Weight: 245.2g / 8.6oz Package size: 21.5 * 11 * 3.5cm / 8.5 * 4.3 * 1.4in Package Weight: 317g / 11.2oz Package includes: 1 * Temperature Controller 1 * User Manual "