Features:  - 3D 12 line laser wire fine positioning.  - Ultra bright light source visible indoors and outdoors.  - Continuous use for 8 hours, long-term standby for one month.  - Easy to carry with the case, providing quick and convenient mobility and storage.  - Waterproof and dustproof multiple protection, it can be used safely in harsh working environment.  - Adopt the new generation of intelligent chip, remote intelligent remote control, convenient, fast and accurate.  - After the machine is started, press the diagonal button for 2 seconds to open the diagonal, which is antiskid, sensitive and easy to operate.  - Automatic leveling alarm prompt, wide range of automatic leveling, improvement of horizontal accuracy, beep alarm when tilt ≥ 3 °, automatic leveling when tilt < 3 °.  - Oblique line at any angle to meet the requirements of stair lamp oblique line engineering.Wide applications for auxiliary tiles fixing, wall decoration, floor tiles fixing, stair handrails and more.  - 12-wire engineering grade ground-mounting instrument, automatic leveling, 360° precision dual fine-tuning, line thickness 1 mm, high and low temperature protection, oblique line function keys, remote control, visible indoors and outdoors, close to wall 7MM , close to ground 6MM.     Specifications:  Plug ( Option ): EU / US Plug.  Line: 12 Line.  Precision: ±4.  Moisture: 90%.  Laser Class: 2.  Voltage: 3.7V.  To Floor: 6mm.  To Wall: 7mm.  Measure Range: 30m.  Auto Leveling Time: ﹤4S.  Laser Size: ±635nm,<1mw.  Auto Leveling Range: +/-3°.  Screw Size In Tripod: ±1/4' 5/8'.  Working Time: about 3-9 hours.  Working Temperature: -10 ℃ to 40 ℃.  Protection Grade: IP54 Dustproof and Splashproof.  Applicable Environment: Indoor(20-25m) And Outdoor(2-5m).  Package Weight: About 800g / 1.8lb.  Host Size (L x W x H): About 13cm x 8cm x 14cm / 5' x 3.1' x 5.5'.  Package Size(L x W x H): About 30cm x 22cm x 19cm / 11.8' x 8.7' * 7.5'.     Package Includes:  1 x Laser Level.  1 x Battery.  1 x Lifting Platform.  1 x Fine-tuning Bracket.  1 x Mini Remote Control.  1 x Wall Mounted Bracket.  1 x Wall Mounted Iron Plate.  1 x English Manual.  1 x Plug Charger (EU / US Plug)