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This laser pointer works great. I will list my review in two lists: Pros and Cons. Pros: - Great range: this pointer has an amazing range. - Visibility: you can see the laser clearly on most surfaces. You can also see the beam itself at night when aiming at stars. - Included charger: you never need to replace the batteries with new ones. Just charge the battery and continue use. Cons: - Battery life: the battery life is not horrible, it works fine for several hours of on and off use. I use this mostly for training purposes and PowerPoint presentations. I couldn't make it through a whole week of on and off use so I unfortunately had to charge the battery afterwards, which is not a big problem, it was just unexpected. I would recommend buying an additional backup battery and always keeping the backup battery charged in the event you need to swap out during use. I would recommend this laser pointer and will buy another if I ever need more. Could also be a great stocking stuffer for Christmas. Read full review
Verified purchase: Yes | Condition: New
I purchased this blue laser pointer simply because I was intrigued about the color of the beam. Here are my observations: Pros: + Yes, it's blue. + Reasonably well-constructed for what it is and what it costs. + The battery and charger work as expected (but don't have enough voltage to properly power this laser) so I will be able to use them for another device. Cons: - The single 18650 3.7v battery that was supplied was insufficient to properly power the laser. It required two CR123A 3.7v batteries for a total of 7.4v in order to get even a moderately bright enough spot. - While you can focus the beam, even it's sharpest focus yields an irregular "spot" with a considerable halo. - I had no expectation of being able to see this laser "900 miles", but frankly it is hardly visible even at 90 FEET. Neutral: = At least I didn't spend a lot. Overall, if all you are looking for is a laser pointer for a classroom setting then there are much smaller devices that can be found. Aside from the blue color of the laser I would not recommend this product.Read full review
Verified purchase: Yes | Condition: New
This laser is really bright! It didn't work right at first and I don't know what made it start behaving. The beam started out bright but after one or two seconds would turn quite faint. I recharged the batter and still the same. It would stay bright if I unscrewed the cap and just touched the two parts together. I used it that was a few times for a few minutes and after that is behaved fine. It turns on very bright every time and stays bright. Amazinglly bright.
Verified purchase: Yes | Condition: New
Price was great. Laser has good construction, works well generating a mile long distance green laser beam, and only 45 minutes to charge. A simple carrying case or box to store would be better than loose components. I carried it in my pocket and inadvertently the push button switch was turned on, and drained battery. Perhaps a switch lock out would be a good update. I did also purchase additional ones as gifts.
Verified purchase: Yes | Condition: New
Very bright and portable green laser light. Unfortunately the included 3v 1800mah battery does not hold that charge, despite the labeling. I don't think products made outside of the US actually have to live up to the labeling so just be aware of that. I will be ordering another same size U.S. made battery to have as back up to exchange in between charges. The unit itself is excellent and I would give 5 starts if the rechargeable battery was better.
Verified purchase: Yes | Condition: New