90° Laser Level Tool. Projects horizontal and vertical laser lines on any surface up to 16m. Product Features Laser level to provide accurate alignment of flat or straight Double leveling bubble Simple one button operation Alignment guide for 90° layout-calculate and turning angles in 5° increments Powered by 3x 1.5V AA Battery (not included) Technical Data Laser: Class IIIA laser, 5mW Max Power Output, Laser Wavelength: 650 nm Accuracy: ± 1.5mm/5m) Low voltage indication: Power LED flashing Size: 150 x 150 x 190 mm