Case of 25 - 2ft LED T8 Glass Tube - Type B - 9W - 1150 Lumens- 3500K 4000K 5000K - LumeGen Color:5000K Daylight What does it mean that

What does it mean that this 7W MR16 LED light bulb is a 50W replacement/equivalent

Kit Includes:

LEDBOLL1000051603 - Dome Cone Top

TRIAC Dimmable

Case of 25 - 2ft LED T8 Glass Tube - Type B - 9W - 1150 Lumens- 3500K 4000K 5000K - LumeGen Color:5000K Daylight What does it mean thatCase of 25 2ft LED T8 Glass Tube Type B 9W 1150 Lumens LumeGen This 2ft. LED T8 Direct Wire Glass Tube is a perfect pick for any commercial or residential setting including supermarkets, factories, hotels, conference rooms, schools, and offices. LED Tubes are more energy efficient and longer lasting than fluorescent tubes and contain no hazardous materials! This LED Tube is configured for Double Ended Power, meaning this tube has a live end and a