Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: How long is the actual lighting unit itself (the part with the lights in it)?
Document: Notice the distinction in the product description by the manufacturer. They're not saying using three AA batteries in this will allow the unit to be on for 100,000 hours, but rather that the bulbs may last that long.
I usually mount my picture lights at the bottom of the frame, to keep light out of my eyes. This attractive unit must be mounted above the frame. The double arm that holds the light is too loose. No way to tighten it. It comes to rest only when it hits the top of the frame. The light quality is good,distribution is acceptable, but the remote dimmer is a joke.
The negative reviews for this product are largely either unjustified or overly high expectations. Who expected a museum-quality art light for under $30? If you want something like that, you really should invest in track lighting. I chose this light because it was remote-controlled, it had easy installation without cords, it's inexpensive, and it's fine for medium-sized art. Overall, I'm quite satisfied with the two lights I installed.
It lights my old ship oil painting up completely and evenly and the light even looks nice as well. Definitely up to par with the more pricey ones I saw at some lighting stores. On a picture any larger than this however, I believe this medium sized light would run out of steam... Your mileage may vary a bit, but on a picture even this big I'm very satisfied.The remote works great at 15 + feet across my living room, and the dimming feature is actually very useful.
Received unit in short order. Looks great and is easy to install. Built in level and included hardware is very convenient. However, the remote control does not work.
The actual light projected did not cover 1/4 of my painting. I know now that I need a larger one.
Our painting is a rather dark, somber Old Master style. The lamp's color temperature (hue) works okay with it. Your mileage may vary.The remote works but the dimming feature is a little touchy. The only issue is, I can't tell you how long the batteries last because we don't usually keep it on. Some reviews indicate that it isn't long! I expect the technology to improve.
It's OK.  Too small for my painting. But I kept it anyway. Probably will put up some type of track lighting.
Bought a lot for museum lighting of paintings in home - very nice. Remote control is great. Three more words...
This light works great over the art-work we placed it. Even though its a large piece, it looks better with the light. However, the remote does NOT WORK! I replaced the battery (not an easy task since the screws are tiny and the unit small to work with), but it still does not work. Do not want to return the entire light just to get a remote that works since my husband already mounted it on the wall.
Answer: yes