Dewalt Self Levelling Rotary Laser - Red DCE074D1R-QWAbout this Item:Designed for professionals and high demandsLaser class: 2 Battery Voltage: 18V Measurement Accuracy: +/-3mm@30m Measurement Range: 45m-475m Weight: 8.50 KgIt allows you to see the line across multiple walls.The 360° line laser is dust and splash proof due to the IP67 casing.Warranty: 1 year warranty provided by the manufacturer from date of purchase