Features:  1. 4D 16 irradiation lines, 360° without dead angle.  2. Universal indoor and outdoor use, wall-mounted, floor-mounted dual-use.  3. High brightness green, clear indoor and outdoor, long projection distance, high laser height, clear lines. Accurate fit, more convenient to use.  4. 16 lines are adjustable, suitable for different occasions and meet the needs of different projects.  5. Compression and knock resistance, 3D soft rubber coating, compression and knock resistance.  6. International standard IP54 waterproof and dustproof, multiple protection, longer life in harsh environments.  7. 4000mAh large-capacity battery, longer battery life and long service life, 4000MAH large-capacity lithium battery, standby for more than 72 hours, the working time can last 12-16 hours, and it can work for 2 days after charging.  8. Use with a tripod, 180° diagonal work.  9. ±3° automatic self-leveling function. A warning sound is emitted when the auto-leveling range is exceeded.  10. LED power display.     Specification:  Control type: touch button + remote control.  Laser Color: Green Light.  Wall distance: 7mm.  Sticking distance: 7mm.  Horizontal/vertical line accuracy: 12m error value 0.2cm.  Laser wavelength: 505nm-520nm.  Automatic leveling range: ±3°.  Protection grade: IP54 waterproof and dustproof.  Working temperature: -20℃~50℃.  Battery capacity: 4000mAh*2.  Working Environment: Indoor/Outdoor Working Hours:  Machine material: ABS engineering grade plastic.  Plug Specifications: EU/US/AU/UK (optional).  Laser level:  Packing weight: 1300 grams.  Packing size: 22 x 19 x 14cm.  1 meter long bracket:  Packing weight: 298 grams.  Packing size: 33 x 8 x 8cm.     Package included:  1 x 8/12/16 line laser level.  1 x Remote Control.  1 x Lifting Table.  1 x Wall Mount Bracket.  1 x Wall Iron Sheet.  2 x Stand plugs.  2 x Digital Lithium Batteries.  1 x Charger (EU/US/UK/AU Plug optional).  1 x Storage Bag.  1 x User Manual