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. 4/8/12/16 line can be adjustable, suitable for different occasions to meet different engineering needs.5. Crashworthy and anti knock, 3D 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. With the use of tripod, you can work with 180 oblique line9. 3Automatic self leveling function. Sound warning when beyond auto leveling range.10. LED power displaySpecifications:Material: Aluminum Alloy Chassis Engineering PlasticsLaser lines: 16(4/8/12/16 line can be adjustable)Laser Color: GreenWall attachment distance:7mmHorizontal/Vertical Accuracy: 0.2mm/ 1mWavelength green light532Automatic leveling range3Rotation Degree: 360Slash function: YesProtection level: IP54 Dustproof & WaterproofOperating temperature: -20-50Battery capacity: 4000mAhWorking environment: Indoor/OutdoorWorking time: 12~16hSize: 13x9.5x11.5cm/5.1x3.7x4.5inPower: 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 16 Line Laser Level1 x Remote Control1 x Lift Holder1 x Wall Bracket1 x Iron Sheets1 x Bracket connector1 x Lithium Battery1 x Charger(US/EU/UK/AU Plug)1 x Anti-fall box1 x User Manual