Product Features 3D 16 line projection with 360° coverage for comprehensive precision. High-brightness green laser suitable for both indoor and outdoor use with clear, long-distance projection. Offers precise measurement and user-friendly design. Adjustable to 4, 8, 12, or 16 lines to fit various engineering requirements. Durable and impact-resistant with 3D soft rubber cladding. IP54 standard for waterproof and dustproof protection, ensuring longevity in harsh environments. Equipped with a 4000mAh high-capacity battery for extended use, supporting 12-16 hours of operations, and can last up to 2 days on a single charge. Compatible with tripods for 180° inclined lines work. Features ±3° automatic self-leveling with sound alerts for out-of-range conditions. 360° rotating base with fine-tuning knob for precise targeting. The thickened metal base is stable, shockproof, and shatterproof. Specifications Material: Aluminum Alloy Chassis, Engineering Plastics Laser Lines: 12 (adjustable to 4/8/12 lines) Laser Color: Green Wall Attachment Distance: 7mm Accuracy: ±0.2mm/m Wavelength: 532nm (green light) Automatic Leveling Range: ±3° Rotation Degree: 360° Protection Level: IP54 (Dustproof & Waterproof) Operating Temperature: -20℃ to 50℃ Battery Capacity: 4000mAh Working Environment: Indoor/Outdoor Working Time: 12-16 hours Dimensions: 13 x 8 x 13.5 cm (5.1 x 3.1 x 5.3 inches) Power Source: 1 x 4000mAh Rechargeable Li Battery / Direct charging (4.2V) Applications Ideal for tiles fixing, wall decoration, stair handrails, furred ceilings, flooring, and plastering projects. Package Includes 1 x 16 Line Laser Level 1 x Remote Control 1 x Holder 1 x Lift Holder 1 x Wall Bracket 1 x Wall Bracket Connector 1 x Iron Sheet 1 x Tripod Connector 1 x Tripod Cutback Line Connector 1 x Lithium Battery 1 x Charger 1 x Anti-fall Box 1 x User Manual Note Please allow a 0.5-1cm difference due to manual measurement. Item color may vary slightly due to lighting and screen settings.