Features:  - This professional self-leveling laser has 5 lines for a wide alignment range and precise measurements.  - 360 ° rotating base with fine-tuning button to quickly identify the target.  - The button is waterproof, wear-resistant and feels exquisite, easy to use.  - The thickened metal base offers a stable hold and is shockproof and unbreakable.  - Easy to carry with the plastic cover and the carrying strap, for quick and convenient mobility and storage.  - Wide range of applications for fixing auxiliary tiles, wall decoration, fixing floor tiles, stair handrails and more.     Specifications:  Line: 5 line.  Color: green + black.  Leveling system: Electronic Sensor.  Wavelength: Vertical laser& Horizontal laser: 635nm; Down point: 650nm.  Working distance: Radius: approximately 10m.  Leveling range: approximately ±4°.  Emitting angle: approximately 110°.  Horizontal accuracy: ±1mm/10m.  Vertical accuracy: ±1mm/5m.  Down point accuracy: ±1mm/1.2m.  Perpendicular accuracy: 90°±1'.  accuracy: ±1mm/3m.  Power supply: 4.5V.  Working temperature: -10°C~+45°C.  Continuous working time: Approx 8 hours.  Dimension: 110*190mm.  Weight: 1.2kg(include battery).  Plug: US Plug, EU Plug.     Package included:  1 x 5 Lines 3D Laser Level.  1 x Charger.  1 x Plastic case.  1 x Protective Bag.  1 x Instruction manual.  1 x Lithium Battery