?This laser level is a practical instrument which can be widely used for any job that requires straight lines or accurate measurement£¬ such as hanging picture£¬ shelf or air-conditioning installation£¬ building construction£¬ interior decoration£¬ etc. It is equipped with a protective glass to ensure operating safety.<br><br><strong>Features:</strong><br>Laser level to project bright horizontal and vertical laser light beam.<br>Automatic leveling£¬ laser beams will flicker and give an alarm out of 3¡ø.<br>The instrument can rotate 360¡ø continuously by hand.<br>Equipped with a pair of protective glasses to ensure operating safety.<br>The tripod(not included) can be matched with the instrument for better usage.<br>3 buttons and a rotary switch to operate£¬ easy to control.<br>With level bubble to make sure the instrument is well placed.<br>Widely used for any job that requires straight lines or accurate measurement£¬ such as hanging picture£¬ shelf or air-conditioning installation£¬ building construction£¬ interior decoration£¬ etc.<br><br><strong>Specifications:</strong><br>Laser Beam: 2 Lines / 3 Lines / 5 Lines(optional)<br>Vertical Accuracy: ¡Â1mm/5m<br>Horizontal Accuracy: ¡Â1mm/5m<br>Self-leveling Range: ¡Â3¡ø<br>Self-leveling time: &lt; 5s(magnetic damping)<br>Laser power: &lt; 5mW<br>Wave Length: 635nm<br>Laser Class: Class 2<br>Continuous Operating Time: &gt;= 10h(all lines working at the same time)<br>Operating Temperature: -10 ~ 40¡øC<br>Power Supply: 3 * AA Alkaline Batteries(not included)<br>Power Adapter: AC100-240V 50/60Hz<br>Item Size: 9 * 19cm / 3.54 * 7.48in(D * H)<br>Item Weight: 780g-840g / 27.54oz-29.63oz<br>Package Size: 22 * 14.5 * 23.5cm / 8.66 * 5.71 * 9.25in<br>Package Weight: 1299g-1375g / 45.82oz-48.51oz<br><br><strong>Package List:</strong><br>1 * Laser Level<br>1 * Protective Glasses<br>1 * Power Adapter<br>1 * Protective Case<br>1 * User Manual