Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: What is the power source used to rotate the antenna?
Document: The Antenna I recieved looked used and would not rotate.I contacted Lava for tech support and he wanted me to take the unit apart and try to repair it myself!Uhm NO back in the box, back to Amazon!
I bought TWO antennas similar to this, between one and two years ago.And both have the same problems.These things must all be built in the same basement shop in China, and re-marketed under various labels - and at various prices  - anywhere from $29  to $89! BEWARE! LOL!Generally, the rotator-remote power supply does not always work.Press the ONE button and it MAY rotate in one direction.
That said, the antenna is a solid performer. I will definitely need a distribution amplifier after the controller to power my TV sets..
It works great, bought for my father in law to replace his Direct TV. He is 30 miles from nearest TV station. Even received 2 low power stations. He got 36 channels. It worked so good I bought a second on for my RV. Installed it today and received 45 stations about twice as many as the regular rv antenna does. Will be getting another one to replace my Direct TV as soon as my contract is up.
Great product over all, fins are a little on the flimsy side. I live 62 miles from source and I receive all channels... Easy install and price is excellent.... Would recommend to anyone
I used it in my attic to replace my outside antenna that was getting blown around by wind. It worked  well for even getting stations in just after I put it together and tested it will sitting on my end table. Worked even though wasn't in the attic.
antenna does not rotate, defective product
We've been using this product just a couple of weeks, but we're so very surprised how well it worked from the moment we hooked it.up. a beautiful clear screen every time. And he remote used to move it from inside the house is also perfect. We highly recommend this antenna! No more paying almost.$80 a month for satellite.
The rotational motor is useless unless you can see it while you're moving it otherwise you're blindly spinning hoping to get lucky.The amplifier failed after the first heavy rain and kills the signal entirely if I turn it on. I used this antenna as a VHF only antenna in conjunction w a UHF/VHF splitter and another UHF antenna.
The LAVA HD 2605 HDTV replaced a analog antenna that I used for 19 years. The improvement was dramatic. It picks up channels I didn't recieve before. Picture quality is super.It was easy to install on the old roof mounted pole and serves a new flatscreen TV as awell as an older analog set with a converter.
Answer: The antenna cable serves a dual purpose. It gets plugged into an included adapter box between the antenna and the TV. So it not only brings in the reception, but also rotates the antenna. This adapter box gets plugged into an normal electrical outlet.