Features: 1. Equipped with 4D 16/12 line, 360-degree irradiation without blind spots. 2. Universal indoor and outdoor, high-brightness green, clear indoor and outdoor, long projection distance, high laser height, and clear lines. 3. Accurate measurement, easy and convenient to use. 4. 12/16 lines are optional, suitable for different occasions and meet the needs of different projects. 5. Anti-collision and anti-vibration, 4D soft rubber coating. 6. Adopt international standard IP54 waterproof and dustproof, multiple protection, longer life in harsh environments. 7. Provide 4000mAh large-capacity battery, longer battery life, long service life, standby time is more than 72 hours, working time can reach 12-16 hours, and it can work for 2 days after charging. 8. Equipped with a tripod, it can work in a 180° diagonal line. 9. With ±3°automatic self-leveling function, it will give an audible warning when the range of auto-leveling is exceeded. Specifications: Material: aluminum alloy chassis engineering plastics. Laser line: 16/12 line. Laser color: green. Laser level color: silver. Wall distance: 7mm. Horizontal/vertical accuracy: ±0.2mm/1m. Wavelength green light: 532. Automatic leveling range: ±3°. Rotation angle: 360°. Slash function: Yes. Protection level: IP54 dustproof and waterproof. Working temperature: -20℃-50℃. Battery capacity: 4000mAh. Working environment: indoor/outdoor. Working time: 12~16h. Power supply: 1 x 4000mAh rechargeable lithium battery / direct charge (4.2V). Size: 15.5x8x15cm/6.1x3.1x5.9in. Application: auxiliary tile fixing, wall decoration, floor tile fixing, staircase handrail, fur ceiling, floor tile, plastering. Package included: 1 x Laser level. 1 x Lemote control. 1 x Bracket. 1 x Lifting bracket. 1 x Wall bracket. 1 x Ironhide. 1/2 x Lithium battery. 1 x Charger (US/EU/AU plug). 1 x Anti-drop box. 1 x User Manual. Notes: 1. Due to manual measurement, please allow a difference of 0.5-1cm. 2. Due to the difference in light and screen, the color of the product may be slightly different from the picture.