Description :<br>5 Line 6 Point Professional Automatic Laser Level Measure XD 4V1H Level Measuring Tool<br>Features :<br>Automatic self leveling mechanism. Audio warning when beyond auto leveling range.Adjust feet.360degree rotating base with fine tuning knob.5 laser lines (4 vertical and 1 horizontal)， 6 points.Can be used with outdoor detectors (outdoor model)<br>    Specifications :<br>Size of laser level: 19cm(7.48inch)(Height)， 8.5cm(3.35inch)(Up Width)， 10.2cm(4.02inch)(Down Width)Size of case: 19cm(7.48inch)(L) x 12.5cm(4.92inch)(W) x 22.5cm(8.86inch)(H)Power: AC 110-240v \/ 3 x 1.5V AA Dry Battery( Does not include battery)Laser power: &amp;lt; 5mW (Class IIIA)Wavelength: 635nmVertical and Horizontal Precision: 1mm \/ 8mLine width: &amp;lt; 2mm \/ 5 metersLaunch angle: &amp;gt; 120 degreeCartesian precision: 1mm \/ 3mWorking distance: Indoor working radius of about 15m ， outdoor 10m (without Receiver).When using an outdoor receiver operating radius about 70m.Continuous working time: about 20 hours by Battery， or long time by AV Power.Working temperature: -10\u2103 to 45\u2103<br>   How to use :Set the instrument on the tripod or a stable surface， adjust the instrument.If the instrument is too tilted， out of range (3 degrees)， the laser tube will automatically turn off (or if audible alarm).Switch knob clockwise to open the instrument， the instrument top green indicator light， while emitting a laser beam.Turn the instrument， the laser beam toward goals.Gently adjust knob， find work orientation.When work is over， turn the switch knob counterclockwise， turn off the instrument.With light point designed outdoor environments， provide convenience for the construction.<br>Note to User :1. How to get a slash: Long press the &amp;quot;Outdoor&amp;quot; button for 2 seconds.2. Four operating modes (H\/VH\/2VH\/4VH) :a. Open the Power， Press the &amp;quot;H&amp;quot; Button， H modes;b. Press the &amp;quot;V&amp;quot; Button one time， VH modes;c. Press the &amp;quot;V&amp;quot; Button the sencond time， 2VH modes;d. Press the &amp;quot;V&amp;quot; Button the third time， 4VH modes.3. Press &amp;quot;outdoor&amp;quot; Button when using outdoor Environment. Outdoor 10m (without Receiver). When using an outdoor receiver operating radius about 70m.<br>Package includes :<br>1 x 5 lines laser level ( Does not include battery)1 x strong plastic protective case1 x Power supply1 x US plug1 x protective glasses1 x Instructions<br>Details pictures :