Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:- Price - Power output - Construction - Driver circuit This laser module is cheap, in my country it's about 1/6 of common price. Power output is very good, beam can be easily seen in the city at night, very bright dot at day, even under quite strong sunshine. Di... Read more

Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month Pros:nice green laser , you can see it at night quite a nice price. but is is chinese quality so its a good idea to buy more than one! Cons:leads tend to drop of , so you need some soldering skills to make them work. i also thought that the button on the laser was... Read more

Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:Very nice laser module! I am use on I=350ma output power less 50 mw Cons:bright, low price OtherThoughts:Great module. Fairly well built. It's nice to have the option to put an on-board control on it, but a button makes it more of a "pointer." Bottomline:Great... Read more

Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:Very powerful, considering the 5mW rating. Able to faintly make out the beam in a lighted room. The dot is clearly visible on the hillside out my window ~0.5 mile away in the late afternoon/evening. Cons:Very poor soldering. The wires aren't actually soldered on, they are... Read more

Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:Seems well built, and very bright for is stated 5mw output, which suggests it may be doing even more. - Small, and I mean quite small. it is a lot smaller than I had expected it to be. - No power fluctuations. - Adjustable focus. - Reasonable price. Cons:Could... Read more

Involvement:General (knows how to use it) - Ownership:1 day to 1 week Pros:The price and brightness. I use these for building laser vortex's for halloween and these blow away the ones I used last year Cons:be gentle handling these...build is not as sturdy as the ones I used last year but could not pass up the price. OtherThoughts:need to figure... Read more

Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week Pros:This laser is brighter than my 10mw green laser from a different supplier it works well with 2 rechargeable AA batteries. I could add a different switch easily without taking off the one it has. It is so cheap you can afford it easily and if you kill it not a hu... Read more