CLEARANCE Decade 11W equivalent to 50W (watt), 120V (volt) frosted CFL (compact fluorescent) bulb/lamp with E26 medium screw base, instant start (several seconds to full brightness), MOL (length) 4-5/8", diameter 2.5", equivalent size and shape as a regular R20 bulb. Superior extra long life compact fluorescent Decade bulb lasts up to 10 years! Replacement for track and recessed lighting, etc. Average bulb life 8000 hours, saves energy, uses only 11 watts, 450 lumens, not dimmable, color temperature 3000K. Save $37 on energy cost over lifetime of Decade bulb. Manufacturer warranty 2 years. Feit Electric high quality certified manufacturer. Replacement cross-reference: D11R203, D11R203/12K; 50-watt frosted R20 bulb E26 medium screw base Lighting Facts not available, manufactured prior to regulation change. Availability: gone when listing sells out -------------------------- Please contact us with any questions prior to ordering. Items are stored in a temperature controlled, smoke free warehouse. Ships with packing list that shows pricing. Handling Time is same business day if before carrier pickup, cut-off time is 2:00pm CST, however, it is possible orders after cut-off ship same day depending on what time carrier pickup occurs. All orders receive a tracking code and ship from Illinois. Same day shipping is a best effort, not guaranteed, due to carriers sometimes arriving unusually early for pickup, we have no control over shipping carrier operations. Situations easily fixable by contacting us for help... 1) Shipping damage; contact us with photo(s) of the damage, then we can work on resolving the situation. 2) Order pulled wrong; contact us with the UPC or part number of what you did receive. 3) Defectives are very rare and handled as warranty by manufacturer, supplier or seller. 4) New items are typically warranted by the manufacturer or supplier, often contact information is on the packaging or user’s manual.