The Autojack Laser meter has multiple measurement modes like distance, volume and area, continuous measurement and also measurement by Pythagoras, assures you a fast job, ideal for home, construction and industries, especially in large areas such as rooms, apartments, buildings ...The Autojack Laser meter has multiple measurement modes like distance, volume and area, continuous measurement and also measurement by Pythagoras, assures you a fast job, ideal for home, construction and industries, especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, etc. Maximum measuring range: 0.2 - 40mm Measuring accuracy:+-2mm Measure units: M/FT/IN/FT+IN Laser class: Class 2 Laser type: 630 - 670nm Historical memory: 20 sets Operation temp: 0C - 40C Storage temp: -10C - 60C Batterys: AAA 2 x 1.5V Dimensions: 120 x 48 x 27 Weight: 120g