Dual Temperature ControllerThis STC 3008 digital temperature controller can control two devices at the same time with independent sensor and output. Power supply: DC 12V. Output relay contact capacity: 10A max. Heating and cooling functionCooling and heating mode can be switched automatically. Temperature control range: -55 ~ 100 , measuring accuracy: 0.1 , temperature control accuracy: 1 . Easy to programThis DC 12V digital temperature controller controls the operation of the device by setting the start and stop temperature. You can set a delayed start time to protect your cooling equipment and a low/high temperature alarm for safe use. Plastic shell ABSThe temperature sensor made of ABS and anti-flame retardant plastic shell.which with high heat resistance,strong flame retardancy and good overall performance.All these promise the best safety guarantee for this temperature controller. Wide ApplicationSuitable for all kinds of seafood machines,HVAC compressors,freezers,refrigerators,air conditioners,fermentation chambers,chest freezers,water chillers and other equipments that require automatic switching between refrigeration and heating.