Compatibility and fit For refrigerators requiring part DA4100519B, this LED strip is specifically engineered to provide a custom fit and seamless integration for reliable performance in your appliance. Brightness and longevity Long lasting LED illumination with advanced technology delivers bright, consistent light that makes items easy to locate inside the fridge. Designed for extended use, reducing the need for frequent replacements. Energy efficiency Low power consumption while delivering illumination, helping to reduce energy costs over time. Installation Quick and simple installation with a straightforward setup process. No special tools required; old or faulty lights with minimal effort. Use scenarios Standard kitchen refrigerator that requires DA4100519B: the stock interior light to restore visibility. Sidebyside or freezer refrigerators: upgrade to brighter, more reliable illumination for easier item finding. Dorm, office, or small apartment minifridges: damaged light bar to maintain consistent interior lighting with minimal downtime.