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Long story short, I think this is a decent projector for the money unless you want to spend $400+. This will work in dim sitting with some light on as well as Outdoors after sunset. However, if you are wondering why all brand name such as Epson, units starts at Double of this price, Im here to share what I learned. When I first started looking for a projector, I did not know a lot about projector and there are a lot to learn especially because of misleading marketing terms. So I am going to try to help by sharing what I learned. [LUMEN & BRIGHTNESS] First of all, my only experience with projector previously was at my company so I was used to top of the line projector and thought thats how all the protectors work. So I first started with what other unit thats under $100 that says something about 70% brighter send previous year model? Turns out that particular unit did not have enough resolution to give focused view of text nor had brightness I was looking for. In search of replacement, I chose this system because this had best spec, 4,000 lumen and its price range (150-180). Lumen is the most important factor in projector and most article you read will tell you that anything above 2000 lumen is it enough for you to see with some light on and anything beyond 3000 lumen can be used as presentation in bright room. What to me a while to find out it is that this lumen theyre talking about is ANSI lumen. ANSI Lumen is a standard term for most brand name manufactures out there and when Epson projector that cost $500 has Lumen of 3000, that is what theyre talking about. However these cheaper, mostly Chinese Mortals, theyre not talking about a n s i lumen. Instead theyre talking about total Lumen at the bulb. ANS I Lumen is measured at the screen a certain distance, FYI. So if you purchase unit like this thinking this is same as $500 Epson unit, you will be very wrong. It is roughly estimated that ANSI lumen its roughly 10% of original Lumen of the bulb. Which means this system has actual ANSI Lumen of roughly 400. The picture I included on this review is with bunch of lights on in the kitchen behind me. And as you can see this still shows decent image which you can see from kitchen while cooking and definitely enough to provide dine-in movie experience. Same goes to outdoor use. I tested it right after Sunset where sky is still blue grayish and I was able to see enough screen brightness and I decide to keep it. [FOCUS & KEYSTONE & LENS SHIFT] The other two things you will need to know and expect is focusing. First, corners and edges will not be clear. This is why units at this price range say theyre not made for business presentation. Does it matter how well you focus, you cannot get it Sharp but when youre watching a movie, you never really focused on the corners so there. Second, they do not have Keystone adjustment. Instead they have what its called lens shift. This to me a longer time to understand in fact projectorpeople.com had useful information, although their sales rep that popped up while visiting their site refused to help me even though I told them Im looking for a new projector just because I already bought one from Amazon… Anyway, Keystone is done digitally by removing pixels to make it fit into a rectangle. Lens shift is literally done by moving the lens. I think this is where the price difference and Technology comes into play. Obviously Keystone is more advanced feature that expensive projectors have and these cheaper ones will not. I say this because when you shift lens in anyway, you will now lose focus on half of screen. If you look at my screen carefully, I have not corrected the Keystone effect and I left top of the screen larger than bottom as my projector is shooting slightly up angle. This is how you can use this projector with lens-shift. Since if you adjust lens shift, you will lose focus on half of screen, it is better for you to deal with less a perfect rectangle then deal with unfocused screen. This also means if you are used to putting books under front part of projector to make it shoot higher up on the ceiling, you will not be able to do that with this projector without losing focus since that will force you to shift lens. It took me few days of trial and error to learn all this and make a decision to keep the system since next system up is about $450 which will not have any of issues I mentioned here. But as a non-business user, looking to use this once in a while at home, I was not interested in spending more but also wanted to make sure I did not end up with crappy projector that Ill never use. And I will say this is a decent Middle Ground. [RESOLUTION] This unit has 1280 x 800 native resolution which is what I would consider bare minimum. Epson has a model thats 800 x 600 and thats just way too small to be functional in real life in my opinion, although I have not tested that system but there are other reviews confirming this. You can get similar resolution on viewsonic for $392 currently on Amazon, but once again another $100 jump and that one uses DLP bulb instead of LCD/LED... (which we wont even get into today) Depends on how you use your laptop, youd need to adjust resolution settings a bit but it works well without too much issue with this system. [SUPPORT?] The other thing I will know. Is that it does not seem like theyre support or seller is active. I cannot find there support email address although that shows up on the projector when you put up for a few seconds, but no one has responded to my question on this unit and there was another review that mentioned that it took seller, manufacture a long time to respond even to Amazon support. Im assuming theyre tech and warranty support might be very slow as well. So please get SquareTrade 4-year coverage for $10 extra. I have spoken with SquareTrade and have screenshot of the rap assuring me that lends a projector covered under their warranty. I hope this was helpful for those who read this far. And if you want, I just saved you about a week worth of research so youre welcome :-) enjoy your new projector and have a great day!