<p>Product features.1. Project a straight laser line on any surface, not just a point. Set the strait line to any angle.</p> <p>2. Suitable for carpentry, stair risers, shelving, molding, tiling or any other job that requires precise alignment.</p> <p>3. Double bubble level for accurate horizontal or vertical alignment and retractable push bar to hold the channel in place while working</p> <p>4. On\/off switch, very easy to use.</p> <p>Description: </p> <p>Correct use : hold the laser marking instrument against the wall, the effective distance is about 5 meters, and cannot be used on the ground. The effective distance on the ground is about 1 meter. The longer the distance, the less obvious the light will be.</p> <p>Parameters: </p> <p>Product name: level meter</p> <p>Power supply: 2 x AAA batteries(without)</p> <p>Product use: pendant, door and window installation, tile, chandelier hanging, ceiling, etc.</p> <p>Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.</p> <p>Notes: </p> <p>Product does not include batteries (2 x AAA batteries)</p> <p>Material: ABS</p> <p>colour: A-orange</p> <p>Package Contents: </p> <p>1 x level meter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>