Instruction: Output yes if the supporting document can answer the given question. Otherwise, output no.

Input:
Question: can I use this system with ac power, 120 or 220 volts? thanks
Document: I have two double gates on our property and had a mighty mule 504 system on both. One of the mighty mule arms started making a terrible noise during operation and, despite lube and maintenance, couldn't be fixed. I originally looked at just getting a replacement mighty mule arm but found the cost to be more than the Aleko AS1200 complete system. I decided to try the Aleko and would actually give it a better overall rating than the mighty mule.
For the Aleko you have to unplug the unit so having a power switch would be nice. Arm length adjustment is fairly easy and is accomplished by a sliding magnet under the arm housing that locks in place with a screw. I'm using the same push-button exit we had with the Mighty Mule and it works, however, sometimes it takes a couple of presses to register. The beep when the gate is engaged is very faint - impossible to hear if your in the car or outside with the engine running.
The control box just wont work. I bought this last year and am quite upset that it would not work.
gate opener was delivered on time and in new condition. was easy to hook up with exception that you must remove the circuit board to connect the wires from the external devices such as the actuators and the solar I purchased seperatly
You can adjust left/right opening and closing delays, fast opening time which gets them almost open before slowing to make sure they stop in the same spot every time on the limit sensors. Overall I have no complaints.
I think it was the 3rd one that simply went crazy and &#34;told&#34; a motor to override my halt number of 7 and broke the housing out of the motor casing. I learned after that to leave the motor arms unhooked until i was sure the brainbox wasn't &#34;out of its mind&#34;.Total regret
There is a small problem with the motors themselves. I had to open the motor casing up and immediately saw a fairly solid steel motor hooked to a solid steel piston arm which extends to the gate itself ALL connected by a small PLASTIC gear. This gear has broken on me twice and wholesale gate opener is happy to send a replacement plastic gear. they used to sell a steel gear piece, no more.
Works exactly as promised. I am not using this on a high traffic gate so mine only open about 3 times a day, but no issues so far. They are very quite when opening, if the control box did not emit a slight beeping sound, you might not know that they were moving at all. I have never owned another brand so can not compare opening speed with other brands, but mine opens 14 foot gates in about 12 seconds.
apparently they do not ever do this as I have now began simply hooking up the control box directly to electric before I unpack it, let alone hook up the wiring. twice now the prompts simply do not work propertly and I send it back again. I really can't believe it. Hold the function button, or tiny peg, down for 4 seconds and it pops up d4 or nonsense and immediately goes back to the double dash, indicating standby again.
I usually don't post comments, but I have to warn others. I don't understand why some reviews explain their aleko product working perfectly on first install, but this is my 6th time returning the control box. I have searched other areas of the internet for other customers having problems and most problems with Aleko gate openers are with the control box electronics. I have gates that weigh 100 pounds per. about 12 ft opening. 110 v line with NO fancy extras.
Answer: no