Features: This laser line level displays accurately horizontal and vertical illuminated lines on a surface. Increased highlight point suits for brighter construction site and can be used outdoors. It supports automatic leveling function within 3 degrees; if more than 3 degree, it will alarm. Laser line level can be used wherever accurate verticals and horizontals are required, typically in the construction and cabinetry industries. This set also includes plastic box, strap and power adapter for convenient use. Specifications: Plug: US Plug Voltage: 110V Type: 5 Lines Color: Red Laser Wavelength: 635nm Horizontal and vertical accuracy: 10m ± 1cm Bottom to point accuracy: ± 1mm / 1m Orthogonal precision: 10m ± 1cm Line width: 2mm / 5m Automatic leveling range: ±3° Angle: 110° Working Distance: 30-50m (Outdoor), 10m (Indoor) Battery: 3 x AA battery (NOT included) Charging: USB charge Lithium battery capacity: 3000mAh Weight: Approx. 1598g Package Includes: 1 x Laser Line Level 1 x Lithium battery 1 x Plug 1 x Power Line 1 x Strap 1 x Plastic Box Note: Please kindly make a note if you need any plug adapter. 1、This laser line level displays accurately horizontal and vertical illuminated lines on a surface. 2、Increased highlight point suits for brighter construction site and can be used outdoors. 3、It supports automatic leveling function within 3 degrees; if more than 3 degree, it will alarm. 4、Laser line level can be used wherever accurate verticals and horizontals are required, typically in the construction and cabinetry industries. 5、This set also includes plastic box, strap and power adapter for convenient use