Specifications Product category: Infrared Laser Level Color: Green Application scope: Installation engineering, woodworking engineering Launch angle: 120 ° Precision: High precision Net weight: 1kg Style: 2 line, 2 line+bracket, 3 line, 3 line+bracket, 5 line, 5 line+bracket Laser wavelength: 532nm Line width: 1.5mm Power supply: Lithium battery,dry battery Working principle: Laser Working distance: Within 20 meters Features: -Anti drop, dustproof and waterproof. -Automatic power-off protection, safe and reliable to use. -Easy to operate, high-precision measurement. -Automatic leveling. Package Included: Package A 1 x Laser Level 1 x User Manual Package B 1 x Laser Level 1 x Bracket 1 x User Manual Note: -Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. -Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.