Adopts fire-retardant ABS housing material, fine comprehensive performance, high impact strength, nice chemical stability and electrical performance. Multifunction design, support heating, cooling, temperature correction, temperature setting, delay time setting, temperature difference setting. Wide applications, it can be used for heating and cooling of aquarium, seefood machine, incubators, and other equipment. Specifications: Name: Digital Temperature Controller Material: ABS Power supply: AC110-220V 50/60Hz, DC12V, DC24V (optional) Temperature set value: -50.0~99.9C; default 10.0C Difference set value: 0.3~10.0C; default 0.5C Compressor delay time: 1~10 minutes; default 3 minutes Temperature calibration value: -10.0C~10.0C; default 0C Temperature measuring range: -50 to 99 Resolution: 0.1 Accuracy: 1 C (-50 ~ 70) Sensor error delay: 1 minute Power consumption: <3W Sensor: NTC sensor (1PC) Relay contact capacity (Two Relay): Cool 10A/220VAC; Heat 10A/220VAC Ambient temperature: 0 to 60 Storage temperature: -30 to 75 Relative humidity: 20%-85% (No condensate) Sensor length: 1.0m Item size: 85 * 75 * 34.5mm / 3.35 * 2.95 * 1.36in Item weight: 95g / 3.35ounce Package size: 110 * 83 * 45mm / 4.33 * 3.27 * 1.77in Package weight: 125g / 4.41ounce Packing List: 1 * Digital Temperature Controller