The Stabila LAX50 projects crossed horizontal and vertical lines in a matter of seconds - both perfectly levelled. Ready for all internal work, the result - long, easily visible horizontal and vertical laser lines at right angles to each other which make setting-out easy. For the installation of built-in furniture, laying tiles, wallpapering and all installation work. Setting out without a single pencil mark - that\'s clean working! Supplied with a combined tripod / telescopic leg kit. Unscrew the tripod legs and screw together to form the telescopic leg - fix the LAX50 to the leg - and measure! The tripod covers a space of 0.6-1m. The telescopic leg can be fixed between floor/ceiling heights of up to 2.75m. If the LAX50 is placed on the ground, its working height is 7cm. Its versatility makes the STABILA LAX50 a regular partner for many applications. Specification Level Accuracy:±0.5mm/m.Self-Levelling Range: 4°± 0.5°.Working Range: 10mPower: 3 x AA Batteries (Supplied).Average Battery Life: 30 Hours. Tripod Thread: 1/4in.Laser Class: 2.