Features: WDF18-L/WDF20-L/WDF19-K/WDF22-L Refrigerator Thermostats Household Metal Temperature Controllers These refrigerator thermostats replace broken thermostats and have D-shaped shafts. Controls the temperature of refrigerators, display counters, freezers, beverage coolers, and similar products. Easy-to-use manual control. Used for hotels, bars, cars, vehicles, apartments, and other places. WDF18-L, WDF20-L, and WDF19-K belong to refrigeration temperature control, which is suitable for household refrigerators and installed in refrigerator and freezer compartments. WPF22-L and WPF24-L belong to freezer temperature control and are suitable for freezers and some small single-door refrigerators with operating tables. (Not applicable to refrigerators, beverage display counters, and commercial freezers) Selection criteria: 1. Check if the machine is of WDF type or WPF type (the two types are not universal). 2. The thermostats do not have to be of the same model, but they can be universal if used on the same type and same refrigeration equipment. 3. Check if the appearance is similar and the mounting method is the same, otherwise they will not be installed to see if the probes are long enough. The long one is usually short, and the short one is usually not universal. Working voltage: AC250V Current: 4A/5A, 50Hz/60Hz Heating temperature: -1℃ to -9℃ Heating temperature: -20℃ to 25℃ Connections: 2 Material: Metal, Plastic Dimensions: approx. 5.4x2.5x5.6cm(2.13x0.98x2.20in) Cable length: approx. 85cm(33.46in) Color: As shown in the pictures. Quantity: 1pc Note: The size is for manual measurement, there may be 0 to 2 cm error, which is normal. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail packaging) 1 x pc