RV Fridge Thermistor Compatibility: 629409 Rv Refrigerator Replacement Sensor Compatible with for Norcold RV Refrigerator Models, include N621, N821, N841, N611, N641, N811 Precise Temperature Control: Rv refrigerator sensor and refrigerator thermistor clip has high-precision temperature measurement capability, which can accurately sense the temperature changes inside the refrigerator and provide the best storage environment for food preservation Stable And Reliable: Rv fridge thermistor for norcold thermistor temperature sensor Made of advanced sensing technology and high quality materials, it has excellent stability and durability, and can work normally under various complex road and environmental conditions, so you don't need to worry about the temperature of the refrigerator getting out of control Easy To Install: Rv refrigerator sensor Easy to install, no professional skills and complex tools required, quickly get the caravan refrigerator back to normal operation, When installing and replacing this sensor, you should ensure that the operation is carried out under power failure Color:Black Material:Metal+Plastic Package Contents: 1 * Refrigerator Sensor 1 * refrigerator clip