RV Fridge Thermistor Compatibility: 629409 RV Refrigerator Replacement Sensor compatible with RV refrigerator models including N621, N821, N841, N611, N641, N811 Precise Temperature Control: RV refrigerator sensor and refrigerator thermistor clip offer high-precision temperature measurement, accurately sensing temperature changes inside the refrigerator to support food preservation Stable And Reliable: RV fridge thermistor made with advanced sensing technology and high-quality materials provides excellent stability and durability, operating reliably under various environmental conditions Easy To Install: RV refrigerator sensor is simple to install; no professional skills or complex tools required, allowing quick restoration of refrigerator function. Ensure power is disconnected during installation and replacement Color: Black Material: Metal + Plastic Package Contents: 1 x Refrigerator Sensor, 1 x Refrigerator Clip Note: Light reflection and display differences may cause slight variations in color. Measurement error allowance is ±1-3 cm