1. & High- (). 2. Defrost Thermostat allows for the refrigerator to know when to defrost. This part tells the temperature inside the refrigerator so is frozen but instead at the perfect temperature. 3. Design improved for more durability, Stable and updated characteristics, high reliability. 4. Easy installation and great Choice for Direct replacement of original parts. Colour:As Shown Material:Metal MODEL NUMBER: WR50X10068 For Refrigerator Freezer The Compatibility Is Just For Please Compare The Part Number With Your Original One Before Purchasing! Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 3 * Refrigerator Defrost Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.