Instruction: Evaluate the answerability of a question by analyzing the related document, outputting yes if the document contains information addressing the question, and no otherwise.

Input:
Question: What's the diameter of the base?  Need to make sure it fits my lamps.
Document: Pricey but this one equates to a 20W halogen hulb - MUCH more reliable (2x outlast so far) than the crappy JC Halogen type from China!! Make sure you have the room in your fixture as this unit is taller than the JC bulb typically called for... Amazon, how about some dimensioned side-/top-view of this unit....???!! !
I bought 3 of these to replace my JC10 halogen bulbs landscape lighting. These are larger (4x) than the halogen ones, so make sure they fit your fixtures!All three came in individual plastic bags that clearly labeled 2.5W G4 and not 3.5W as the description claimed. They are  slightly brighter than the halogen that they replaced.
They use 3.5W and put out as much light as a 10W LV flood. Which means we can have more on the same transformer circuit and still use less juice. What's not to like?
The light was too weak, so i had to order the halogen ones12V 20W Halogen Replacement Bulb, G4 Base, Bi Pin
I purchased 4 of these and intended to buy more- but they are very wide- I'd estimate 5/8" in diameter. Because of that they wouldn't fit into any of our Nightscaping landscape lights.EDIT- I just changed this to a 4 star review... because of the following from EVERSALE. And by the way- the replacement the offered is working very well.
Strong recommendation...Replaced all of my 10 watt T3 bulbs near front porch (110 watts !!!) with G4 LED lamps (39 watts). Very bright!
It wouldn't be appropriate to give this a low rating because of my mistake, but buyers should be aware that this is a large bulb, nearly an inch in diameter and nearly an inch and half long. I missed that in the description and couldn't use the bulb in any of several potential applications I needed it for. Since there was a shipping charge, not worth returning,  Otherwise, it's bright and beautiful.
I would appreciate it if LED vendors supplied dimensions. I bought a 3..4W and a 1.5 watt LED, and only the smaller one is usable in my fixtures. I bought both to try them and decide which to buy more of.My wife would prefer a 2700 K bulb to a 3000K, but 3000 is what's available. I can't fault this bulb for that.
used this as substitute for halogen bulb in digital dash, but was too bright, and wasn't dimmable - any other app would be just fine
saving a lot on electricity and getting bright, security lighting on front yard. You don't have to get a high wattage transformer with these lights since you can string multiple lights and not use a lot of wattage.
Answer: yes