CTYRZCH 5 Pack 12V DC Digital Cooling/Heating Thermostat Temp Control -50-110 &deg;c Temperature Controller 10A Relay With Waterproof Sensor Probe 100% brand new and high quality. Temperature control range: -50 ~ 110  C. Input Power: DC12V. Measuring inputs: NTC (10K 0.5%) Waterproof sensor 0.5M. Size: 48 (L) * 40 (W) * 14 (D) mm.