Multi-purpose laser level horizontal tape measure vertical ruler 4 in 1 infrared laser line level tape Features: Class 3 Laser 100% Brand New. High Quality New laser level vertical tape measure 8FT aligner Hang shelves, cabinets, tiles and picture frames accurately Projects a horizontal or vertical laser light beam 8-foot measuring tape locks. Standard and metric rulers Ideal for any job requiring a straight line or accurate measurement. Use this multi-purpose laser level to hang pictures, install shelves, lay flooring, hang wallpaper and more. The laser light has an on/off power switch. Laser Max Output: less than 0.5mW Powered by 3 * AG13 button cell batteries (not included) Keep the laser level away from water, dust and sunlight