POWER FLEXIBILITY: Works with the included rechargeable 3.7V Li-Ion 3.0 Ah battery, AA batteries (sold separately) JOBSITE TOUGH CONSTRUCTION: IP65 rated, for dust-tight and water-resistant durability in tough jobsite conditions USB-C CHARGING CORD: For quick charging, even while in use BUILT-IN VISIMAX TECHNOLOGY: Monitors power consumption to maximize line visibility and extend battery life BRIGHT GREEN-BEAM LASER: Projects up to 4X brighter than standard red beams POWER-SAVING MODE: Helps to increase efficiency and extend battery life by adjusting brightness of the laser ALL-IN-ONE FUNCTIONALITY: Three chalk lines in 360º laser planes – one horizontal and two vertical make the tool a complete level as well as an alignment laser with simplified and speedy job setup BRIGHT, THIN LINES: With 100 Ft. range that level within 1/8 In. accuracy at 30 Ft. distance SMART PENDULUM SYSTEM: Self levels, indicates out-of-level condition and locks when switched off for secure transport RECEIVER COMPATIBLE: For further range extension to 260 Ft. measured at the horizontal line at 135º and 315º (sold separately)