KT3003 Digital Thermostat 12V 24V 110V 220V Temperature Controller Regulator Cooling Heating Control Switch Relay Output Mini temperature controller. With clear LED display compatible with better readability. Wide temperature measuring range. Heating or cooling control. All parameters setting can be saved after short circuit. Relay output . High Control precision 0.1 centigrade Can be used compatible with domestic freezer, water tanks, refrigerator, industrial chiller, steamer, industrial equipment and other temperature-controlled system. Specification Power Supply:12VDC110V-220VAC 24VDC Temperature Control Range:-55 C-120 C Resolution Ratio: 0.1C(-9.9-99.9); 1C(other range) Color of Displaying: red/blue Measurement accuracy: 0.1C Control accuracy: 0.1C Sensor: NTC10K Waterproof sensor Output: Relay Contact Capacity 10A/220V/20A 12V/24V Environmental requirements: -10-60C , humidity 20%-85%RH Dimension:79mm *43mm*26mm Cutting Size:73mm*39mm 110V-220V wire connection 12V wire connection Code Table Code Function Set Range Default P0 Heating/Cooling H/C C P1 Return Difference 0.1-30 2.0 P2 Setting limits to the manimum 120 120 P3 Setting limits to the minimum -55 -55 P4 Temp. Correction -10-10 0 P5 Delay Start 0-10min 0 Package Content 1 x temperature controller 1 x temperatuer sensor KT3003 W3230: