Extremely cheap (wont find a better price), Very bright (nearly a true 30mW), Beam is visible, low operating voltage (3V rather than 4.5), Does not get very hot. The solder connections were very crappy, re-solder the wires as soon as you get it, during my build the laser would sometimes flicker, i was worried as i though it was the button, yet turned ... Read more
The laser beam is visible in slightly lit areas and the dot is very bright. The module fits the 'universal' laser pen host for 2x AAA batteries. At night the beam is extremely visible and will no doubt impress your friends. The original positive and negative wires that came with the module were very poor but that wasn't really a con for me as I used ... Read more
very powerful, Im using it to tes fiber optics and any leak in the way is easy to see.
the laser part is very well fixed and aparently strong the wire welding is not good and was unmounted when arriver. we call here a "cold welding", when all the components are not hot enough to melt. Is a cheap(in brazilian standards) and powerful laser not ... Read more
He's focusable, have a great beam and he doesn't use much batteries.
Maybe as good as the 200mW I bought few years ago. The leads goes off easily, but there is enough place to solder for beginners.
Also when using it for a long time it can get warm. I was using a 200mW before this one and the two are not that different.
And I read that for some people ... Read more
Focusable, strong and very bright beam. Easy to use. Wires are very weak soldered, they came off the 3rd time i tried to use it, i have to soldier them again.
When i opened the front lenses i realised that the prism that is glued infront the diode it's very, VERY bad glued, is not in the center of the diode causing a bad beam, i have to re-glue it in ... Read more
4 units, each with decent beam quality, and intense for 30mW (much brighter than my "30mw" green laser pointer!) Leads break off easily, expect to solder your own leads on it! Leads are too short to be useful anyways and the switch needs to be bypassed. Installed these as an upgrade to my laser stars projectors which contained 5mw units. Resulting ... Read more
This thing is bright! I ordered 2, one was slightly brighter so I mounted it in my housing and boy its awesome. I get lots of complements on it. The stray cats in my apartment complex love it too! I dont notice it getting too hot. I did NOT modify the pot, i left it as is for maximum life. When mounting in a housing it is crucial that you get the spring ... Read more
- push button (easy to solder shut if you want to)
- FOCUSABLE! (it isn't said in the description but its indeed focusable)
- it's REALLY bright (once its warmed up the collimated spot is hard to look on directly)
- current regulating pot
- durable! (it has withstood a mishap with a soldering iron)
- doesn't heat up too much (about 40-50 degrees celsius ... Read more
THis green laser all thoguh small is still very powerfuull. it can pop bollons and lights matches dose not light matches and bollons faste enough I first started out with a 5mw laser that i got of ebay and started to do some more searhing about laser and found out about deal extreme i have to say its the best online store around. The green laser that ... Read more
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