Usage Tips: Convenient to replace the old parts of the refrigerator. All sets come with a white carton for outer packaging protection. Compatible models: Suitable for most brands on the market that use 1 Pin QP2 4.7 ohm resistors. The refrigerator overload protector helps prevent the compressor from overheating. Compatible with part numbers such as AP4439459, 1357963, AH3529540, EA3529595, PS325. PTC start relay: Universal start relay, suitable for various brands of mini refrigerators and coolers. This product is only compatible with QP2-4.7 single-ended relays. Easy to install and replace with wide application: Direct replacement restores cooling performance. Ideal for quick repair of mini refrigerators, compact refrigerators, beverage and wine/beer coolers, box freezers, deep freezers, wine/beer refrigerators, and more. High-quality materials: The QP2-4.7 starting relay is made of high-quality plastic, ensuring reliability and rust resistance. Offers stable performance and long-term durability. Material: Plastic Color: Black Package Contents: 2 x Starter 2 x 1/2 Protector Note: Light shooting and different displays may cause slight color variations between the item and the image. Measurement may vary by +/- 1-3 cm.