A useful temperature controller for intelligent temperature control. Display with two large and bright LEDs for better readability. Wide temperature measuring range - 40~120(-40~248). Cooling and heating control, equipped with power cord. Delay protection function This professional temperature controller is suitable for vegetable greenhouse, domestic water tanks, refrigerator, industrial cooling, bolier, aquarium, aquaculture and other temperature controlled systems. Features: A useful temperature controller for intelligent control of temperature. Wide temperature measuring range - 40~120(-40~248). Cooling and heating control, equipped with power cable. Delay function protection. Support brown-out storage (set parameters is still valid after short circuit). Can be used for vegetable greenhouse, service water tanks, aquarium, aquaculture and other temperature-controlled systems for controlling temperature. Specifications: Colour: black. Material: PC Working voltage: 90 V ~ 250 V Rated Current: 10A Power consumption: 3 W. Power consumption of constant by: 0.5 W. Precise temperature control: 0.1 C Resolution: 0.1 Measurement error: 0.3C. Control range: -40~120(-40~248). Raw materials range of temperature: 0.1~30(adjustable) Working temperature: -20 ~ 70 C (-4 ~ 158 F). Working humidity: 90% RH non-condensing Temperature sensor: NTC 25 = 10K B3435 1% (1.48m line) Power line length: 1.45m/57.1in Relay: 10A / AC220V Item size: 15.5 x 6 x 2.8 cm / 6.1 x 2.4 x 1.1 in Element weight : 245.2 g / 8.6 ounces Package size: 21.5 x 11 x 3.5 cm / 8.5 x 4.3 x 1.4 in Package Weight: 317g/11.2oz Package includes: 1 x temperature controller. 1 x user manual (English language not guaranteed)