Features: -  LED power display on battery. - Precise measurement and more convenient to use. - 4D 16/12/8 line irradiation, 360° without dead angle. - Crashworthy and anti knock, 4D soft rubber clad, crashworthy and anti knock. - ±3°Automatic self leveling function. Sound warning when beyond auto leveling range. - 8/12/16 line can be Optional, suitable for different occasions to meet different engineering needs. - International standard IP54 waterproof and dust-proof, multiple protection, Longer life in harsh environment. - Indoor and outdoor general Universal, High brightness green, indoor and outdoor clearly, far projection distance, high laser height, clear lines. - 4800mAh large capacity battery with longer endurance life, long service life, standby time more than 72 hours, working hours can last 4-8 hours,can work for 2 days after charged. Specification: Laser Lines(Optional): 16/12/8 line. Material: Aluminum Alloy Chassis Engineering Plastics. Laser Color: Green. Wall Attachment Distance: 7 mm. Horizontal/Vertical Accuracy: ±0.2mm/1m. Wavelength Green Light: 532. Automatic Leveling Range: ±3°. Rotation Degree: 360°. Slash Function: Yes. Protection Level: IP54 Dustproof; Waterproof. Operating Temperature: -20℃~50℃. Battery Capacity: 4800 mAh. Working Environment: Indoor/Outdoor. Working Time: 4~8H. Application: Auxiliary tiles fixing, wall decoration, floor tiles fixing, stair handrails, furred ceiling, floor tile, plastering. Package Included: 1 x Laser Level. 1 x Remote Control. 1 x Lift Holder. 1 x Wall Bracket. 1 x Iron Sheets. 1 x Bracket Connector. 1 x Lithium Battery. 1 x Charger. 1 x Anti-fall Bag. 1 x User Manual