Description:It makes the construction process more convenient, time saving and less effort. At the same time it also can ensure the quality of construction with higher accuracy. It can precisely project the laser line on the work objects. Wide applications for hanging drywall, tile laying, cabinet installation, wall studding, windows, doors, making the layout for floors etc.Features:This professional self-leveling laser level features vertical, horizontal lines for a broad array of alignment and leveling applications.It can be used with outdoor detectors. Operation panel. With the operation panel on the top, it is convenient to operate. 360 rotating base with fine tuning knob, more convenience to open or turn off the instrument. Light weight and easy to carry with the plastic case and carrying strap, providing quick and convenient mobility and storage. Wide applications for hanging drywall, tile laying, cabinet installation, wall studding, windows, doors, making the layout for floors etc. Specification:Condition: 100% Brand NewColor: GreenPower: AC 220VBattery: 3 * 1.5V AA dry battery(not included)Wavelength: 635nmVertical and Horizontal Precision: 1mm/5m; 1mm/10mCartesian Precision: 1mm/3mContinuous Working Time: about 20 hours by battery, or long time by AV power.Working Distance: About 15m(indoor working radius), 10m(outdoor without Receiver)Working Temperature: -10 ~45Package Weight: Approx. 1.1kgPackage Included:1 x Laser Level1 x Charger1 x Protective Glasses