Just like the preivous reviewer, I was also a bit concerned but went ahead with the purchase. When I got the unit, I checked voltage and polarity at all of the plugs, and everything seemed to be in order so I went ahead. It seems to work just fine for me, powering (at present) two 250 mA IR cameras with no issues.
I really like the fact that the transformer has a normal power cord and is not a "wall wart" style, as it saves room on outlets.
Power supply does save space by being able to power 4 cameras but fails at doing it well, I only currently have 3 cameras and it struggles with them, none of my cameras are very power hungry only 2 have ir illumination and thats where the problem is ,when it gets dark i get interferance on the cameras that wasnt there during the day or when they were powered by separate power supplies.I will have to relace this with a beefier power supply now since i have a 4th camera in the box that I dont want to cause more problems with.
Buy VideoSecu 12V DC CCTV Security Camera Power Supply Adapter with 4 (2.1mm) Channel Connectors Port P Now
I have been using this product to power 3 cameras (one plug unused) and this product is working as i expected. Although I was concerned by the previous review, this was the only choice for a 4-way, so I tried it out. It does have a higher total output than the adaptor that came with my nightowl dvr's cameras, but the voltage is the same 12v. Always check your camera specs before choosing a transformer. Some cameras (some PTZ Cameras for example) need 24v, but they often have the transformer included with camera. Voltage has to be the same on each camera and transformer, but Amps rating of the transformer needs to be equal to or higher than the total amps required by all the cameras you intend to hook up to the transformer. One last thing, this product doesn't have a UL logo if that bothers you, however it does have the european CE logo. I believe the previous unfortunate reviewer had some other problem occur as a coincidence when his equipment failed.
Read Best Reviews of VideoSecu 12V DC CCTV Security Camera Power Supply Adapter with 4 (2.1mm) Channel Connectors Port P Here
As soon as this came in I pulled all the wall-worts out of the power strip and plugged this in. Plugged in the cameras and Boom! done.
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I bought this and a pack of female 5.5mm tips to use for light strips above my cabinets. Its been working for several months without issues so far being on everyday for 4+ hours.
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