Features:  - Precise measurement and more convenient to use.  - 4D 16 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.  - 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 6-10 hours.     Specification:  Remote Type: Infrared remote and APP remote (2 in 1).  Laser Color: Green.  Wall Attachment Distance: 7 mm.  Horizontal/Vertical Accuracy: + 0.2 mm/m.  Wavelength: 505-510nm.  Automatic Leveling Range: 3°±1°.  Protection Level: IP54 Dustproof & Waterproof.  Battery Capacity: 4800 mAh.  Working Environment: Indoor/Outdoor.  Material: Aluminum Alloy Chassis Engineering Plastics.  Plug Specification: EU Plug.  Operating Temperature: -10℃~45℃.  Application: Auxiliary tiles fixing, wall decoration, floor tiles fixing, stair handrails,furred ceiling, floor tile, plastering.     Package Included:  1 x Laser Level.  2 x Lithium Battery.  1 x Remote Control.  1 x Lift Holder.  1 x Wall Bracket.  1 x Iron Sheets.  1 x Bracket Connector.  1 x Charger.  1 x Anti-fall Bag.  1 x User Manual