The Bosch GPL 3 G Professional Point Laser with green laser points that provide up to four times better visibility than red points. It features a easy-to-use interface with a two-position switch: when turned on, it automatically self-levels, when turned off, the pendulum is locked. Equipped with an integrated rotation mount that features strong magnets for fast and secure tool mounting while also enabling convenient transportation. With its rubberised housing and recessed glass, as well as IP65 dust and water jets protection, the GPL 3 G Professional also resists tough jobsite conditions. Ideal for transferring points from floor to ceiling, e.g., when installing interior lighting. It is perfectly shaped for stud alignment for drywall framework. Supplied with: 2 x AA 1.5V LR6 Batteries. 1 x Pouch. Specifications: Accuracy: +- 0.35mm/m. Self-levelling Range: +-4. Working Range: 30m. Laser Diode: < 1 mW, 500 - 540 nm. Laser Class: 2. Levelling Time: 4 Seconds. Power Supply: 2 x AA 1.5V LR