Features: 3D 12 line laser wire fine positioning. 4/8/12 line can be adjustable, suitable for different occasions to meet different engineering needs. Remote control and APP control, convenience to use. Self-Leveling system. Flexibility and stability. Charging using. Waterproof, wear-resisting and feel exquisite, easy to operate. Easy to carry with the case, providing quick and convenient mobility and storage. Wide applications for auxiliary tiles fixing, wall decoration, floor tiles fixing, stair handrails, furred ceiling, floor tile, plastering. Specification: Material: Aluminum Alloy Chassis + Engineering Plastics. Light Color: Green. Line: 360°x3, 12 Line (4/8/12 line is adjustable). Light Source: Wavelength 638nm, Red Light. Wavelength 532nm, -Green Light. Horizontal/Vertical Accuracy: ± 0.2mm/1m. Auto-leveling Range: ±3°. Waterproof Grade: IP-54. Working Range: About 25m in diameter. Green Light Operating Temperature:0-40℃. Red Light Operating Temperature:-10-50℃. C ontinuous Operating Time: About 8 Hours. Power: AC 100-240V Charger (US Plug). Power Supply: 1x 5800mAh Rechargeable Li Battery /Direct charging(4.2V ). Standing Holder Adjustable Height: 2.5~9cm/0.98~3.5inch. Package included: 1 x Laser Level Kit