Laser Straight Guided Leveler w/Built In Bubble Levels Projects a perfectly straight line on any surface Reusable adhesive included to stick unit fast onto any surface Built in bubble levels ensure perfectly straight results Projects crisp, clean laser line up to 50 ft. Excellent for carpenters, flooring installers, decorators, etc. Leaves no marks behind when finished Ships FREE to all USA addresses! This straight line leveling laser casts a perfectly straight line on any surface, making the decoration of your home or office a much simpler task than ever before. Now your living and work spaces can appear as though you hired a professional to make everything more beautiful and neat. It requires only 2 AAA batteries (not included), which will provide up to TEN HOURS OF CONTINUOUS USE! Use it tohang portraits and paintings, family photos, certificates, wall decor, much more. The Laser Straight is very handy and useful when doing woodworking, tiling, painting, carpeting, etc. and its two built-in bubble levels help you make sure your lines are true and accurate before you begin. This item ships FREE to any USA destination! Product Description: Material: plastic plexiglass Brand new, high quality portable tool Wavelength: 630-660mm Output Power: 1mW (CE) 5mW (FDA) Laser light shape: straight line on flat surface Effective distance: 20m / 50ft Accuracy: 2mm/5m Battery duration: 10 hours of continuous work Power: 3V Batteries ~ AAA 1.5V x 2 (not included) Operating temperature: -10 to +45 C (+14 to +113F) Customer satisfaction is our number one priority. We spend time researching each item we list to ensure that we are offering it at the fairest price possible and providing as much information as we can about what we are selling. We also inspect and test all of the merchandise we sell for quality, durability, functionality, and authenticity. Our policy is to be completely transparent when describing and listing our merchandise to provide you with accurate information, including any defects, missing parts, or other concerns. We also provide as many photos as we can from all angles so that you can see as much of an item as possible before making your decision to purchase it. Since we are limited in the number of photos we can post with each listing, please remember that additional photos are always available upon request. If you ever encounter a problem with any merchandise you purchase from us, we insist that you contact us at once so we can make things right. And, since our shipping center is open 6 days a week, your item will more than likely be on its way to you in less than 24 hours after you purchase! WAREHOUSE OUTLET STORE shopping the world for you and shipping it to your door!!!