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The horizontal line was very bright and showed up well as far as 20 feet away (just as advertised), unfortunately, the vertical line was so faint that you could only see it in very dark rooms (e.g. no ambient lighting from windows) or when the device was within 1 foot from the wall. Seeing this for a good price from Amazon.com, I thought they'd be extremely useful for DIY work and ordered two of these -- one for myself and one as a present. It took us a while to realize that the device must be mounted directly to the wall you are hanging the pictures on (using sticky adhesive provided in the box) to be able to use the laser lines. It will not work if you want to put it elsewhere in the room and project the lines onto the surface of interest. This device uses a laser passed through a lens to project a "cross" onto a surface. That said, it is extremely useful for aligning pictures and other items on the wall; however, if there's a door frame or other raised feature on the wall, the beam will not project past this feature so this limits the usefulness of the device.
This products is simple, but very useful when you want to drill several holes in straight lines.
It was practically a steal, and it arrived on time. Laser leveler works way better than I thought it would. Thank you.
Just a few feet of projected line seems functionally equivalent to a point.In fact, I can't even see using it to hang pictures. So while it may be visible out to ten feet (the product claims 20), you only get a visible line on either side of the center cross for a few degrees. I really don't see how reviewers can compare this laser level to similar "professional" ones.After reading some of the raving reviews and seeing that the level was available real cheap, I decided it was worth a try; I thought I'd use it to help level some joists while refinishing my attic.Unfortunately, the laser beam is very weak. It's never very bright, and rapidly fades away from the center. A single picture is easy enough with a vial level, and this laser level won't project a long enough line to use for a wall full of frames.As other reviewers have suggested, if you need a laser level (to make snapping chalk lines a one-person job, for example), you're much better off spending real money to get a real level to project either a line or a few points at right angles to each other.
It would be 5 stars all around. If the lasers went just alittle further. Batteries seem to last a good while too.
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