<ul><li>Battery: 4V/4.0Ah</li><li>Laser Diode: 515mm</li><li>Accuracy: 0.3 mm/m</li><li>Auto-Leveling: ± 3</li><li>Width of Laser Line : 4mm at distance of 10m</li><li>Operating Temperature-10c-40 c</li><li>Laser Class: 3R</li><li>Tripod thread 1/4"<br><p>Features</p><ol><li>4.0Ah Lithium Battery</li><li>intelligent remote control</li><li>Multi-functional wall hanging design;</li><li>3R level high intensity green laser;</li></ol></li></ul>