Features 1 4D 16 line irradiation 360° without dead angle2 Indoor and outdoor general Universal High brightness green indoor and outdoor clearly far projection distance high laser height clear lines 3 Precise measurement and more convenient to use 4 16 line can be Optional suitable for different occasions to meet different engineering needs 5 Crashworthy and anti knock 4D soft rubber clad crashworthy and anti knock 6 International standard IP54 waterproof and dust proof multiple protection Longer life in harsh environment 7 4000mAh large capacity battery with longer endurance life long service life 4000 MAH large capacity li batteries standby time more than 72 hours working hours can last 12 16 hours can work for 2 days after charged 8 ±3°Automatic self leveling function Sound warning when beyond auto leveling range Specifications Material Aluminum Alloy Chassis Engineering PlasticsLaser lines 16 line Laser Color GreenLaser Level Color OrangeWall attachment distance 7mmHorizontal Vertical Accuracy ±0 2mm 1mWavelength green light 532Automatic leveling range ±3°Rotation Degree 360°Slash function YesProtection level IP54 DustproofWaterproofOperating temperature 20℃ 50℃Battery capacity 4000mAhWorking environment Indoor OutdoorWorking time 12 16hPower 1 x 4000mAh Rechargeable Li Battery Direct charging 4 2V Size 13x9x13cm 5 11x3 54x5 11inApplication Auxiliary tiles fixing wall decoration floor tiles fixing stair handrails furred ce