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. Specifications Power supply: 4 x 1.5 V LR6 (AA) Laser diode: Line: 630 - 650 nm, 10mW Operating temperature: -10 40 °C Storage temperature: -20 70 °C Laser class: 2 Working range: 30 m Working range with receiver: 120 m Working range without receiver: 30 m Accuracy: 0.2 mm/m Self-levelling range: 4° Levelling time: 4 s Dust and splash protection: IP 54 Operating time (max): 4 h in 3-line mode Tripod thread: 1/4", 5/8" Colour of laser line: red Projection: 3 x 360° line Weight: 0.82 kg Features and Benefits Self-levelling (4° in 4 sec) and very precise ( 0.2 mm/m) Working range of 80 m with the LR 6 or LR 7 Professional receiver (optional) Compact, easy to handle and extremely robust (IP54) Pendulum lock ensures safe transport High visibility due to high power diodes High work efficiency due to 3 x 360° lines Simultaneous horizontal & vertical levelling applications in the entire room Easy to operate using intuitive user interface Contents GLL 3-80 Line Laser 4 x 1.5 V (AA) batteries Carrying case Laser target plate.