Features:  ● 4D 16 line irradiation, 360° without dead angle.  ● Indoor and outdoor general Universal, High brightness green, indoor and outdoor clearly, far projection distance, high laser height, clear lines.  ● Touch screen design, touch screen operation, more convenient. Precise measurement and more convenient to use.  ● Crashworthy and anti knock, crashworthy and anti knock.  ● International standard IP54 waterproof and dust-proof, multiple protection, Longer life in harsh environment.  ● Large-capacity lithium battery, durable.  ● ±3°Automatic self leveling function. Sound warning when beyond auto leveling range.     Specifications:  Material: Aluminum Alloy Chassis Engineering Plastics.  Laser lines: 16 lines.  Laser Color: Green.  Adapter: AC 100-240V 50-60Hz 0.3A.  Wall attachment distance: 7mm.  Horizontal/Vertical Accuracy: ±0.2mm/10m.  Automatic leveling range: ±3°.  Rotation Degree: 360°.  Working distance: 25m.  Working time: about 5 hours.  Slash function: Yes.  Protection level: IP54 Dustproof & Waterproof.  Operating temperature: -5℃~50℃.  Battery capacity: 4000mAh.  Working environment: Indoor/Outdoor.  Power: 1 x 4000mAh Rechargeable Li Battery /Direct charging(4.2V).  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.  1/2 x Lithium Battery(optional).  1 x Charger(EU/US optional).  1 x Anti-fall box.  1 x Tripod Base.  1 x User Manual