The GLL 3-80 is a professional grade line laser level which offers simultaneous 360° horizontal & vertical coverage and is powered by AA batteries. It projects three separate 360° beams which can be individually turned off or activated as required, enabling multiple jobs to be completed within a room with minimal setup required. This kit is supplied with a laser target plate, batteries, carrying case and storage pouch. SpecificationsPower supply: 4 x 1.5 V LR6 (AA)Laser diode: Line: 630 - 650 nm, < 10mWOperating temperature: -1040 °CStorage temperature: -2070 °CLaser class: 2Working range: 30 mWorking range with receiver: 120 mWorking range without receiver: 30 mAccuracy: ± 0.2 mm/mSelf-levelling range: ± 4°Levelling time: 4 sDust and splash protection: IP 54Operating time (max): 4 h in 3-line modeTripod thread: 1/4", 5/8"Colour of laser line: redProjection: 3 x 360° lineWeight: 0.82 kg Features and BenefitsSelf-levelling (4