Check the listing for details. 2 Pcs 12V Thermostat Controller Switch Temperature Sensor Digital Microcomputer. Condition: New. Listed at 19.95 USD. 12V Thermostat Controller Switch Temperature Sensor Digital Microcomputer 2 PcsProduct Specification:Temperature measurement range: -50 ℃ ~ 110 ℃ Resolution: 0.1 ℃ when -9.9-99.9 other temperature ranges 1 ℃Accuracy: ± 0.1 ℃control accuracy: 0.1 ℃Backlash accuracy: 0.1 ℃Refresh rate: 0.5SHigh-temperature protection: 0-110 ℃, Not recommended to use above 250 ℉Input voltage: DC12VMeasuring input: NTC (10K0.5%) Waterproof sensor, Not rated above 110 ℃ or 250 ℉Output: one 20A relay at 14V DC and 20A at 125 VACEnvironmental requirements: -10 ℃ --60 ℃ humidity 20% - 85%Power consumption: Static current ≤35MA pull current: ≤65MAOperation Instruction:Connect the power supply and the load supply to the controller. The currently measured temperature (top) is displayed as red. The desired temperature to be set (bottom) is blue. Press STC (+) C / F (-) to set the desired temperature. 3 seconds after setting just confirm that it has been set, then the controller will automatically execute. The thermostat output is 10A relay which meets a variety of high-power loads, but just make sure that the line is connected correctly.LEDs, LED Status Description.LED: Off indicates the relay off; Always indicates the relay is closed.Digital tube: if the open display HH LL sensor measurement range is exceeded, the thermostat will be forced off the relay display. This is high temperature protection.Product Dimension:Size: 48mm (length) * 29mm * wide Depth: 32mm / 1.89x1.14x1.26 inchHole size: 46 * 26.5mm / 1.81x1.04 inch--------------------------------------------------------------------------------------------------------------U.S. Seller:We are U.S. supplier and ship all orders directly from local office in Rosenberg/Houston Area, Texas. Payment: Please contact us for any payment methods and questions. Shipping:Your order will be sent out within 1 business day, (Monday - Friday,excluding holiday and weekends). Packages usually take 3~5 business days to arrive. Item(s) will be shipped to a PayPal confirmed address via USPS shipping service (Priority Mail or First Class Mail). Term of Sale:Please read the item description and check the pictures carefully before purchasing. Returns are also acceptable if buyer purchased this by mistake and item still in good condition for reselling with 15 business days after delivery. It is the buyer's responsibility for any return shipping cost.Restocking fee may apply.