Products include:gll30gUser ManualWarranty CardOriginal Packaging2 Batteries AAFunctionCrossline mode: Bosch GLL30G displays 2 ultra-bright green laser lines to create a projection cross for a range of leveling and alignment applications Entry level: Ideal for homeowners and small remodeling jobs such as hanging pictures or installing shelves wherever leveling or alignment is needed Convenient and safe: The intelligent pendulum system allows the laser to self-level and also indicates displacement status to ensure accuracy and lock during transport Compact: small size and ergonomic, handy, pocket-sized design, making the GLL30G fit any Pocket-sized accessories: can be used with a stand with 1/4 interface Laser diode: 500 - 540 nm, & lt; 5 mWTechnical dataAdditional dataAccuracy: 0.8mm / mProjection: 2 lines>Working range: up to 10 mLaser diode: 500 - 540 nm, & lt; 5 mWLaser class: 2Self-leveling range: 4 Power supply: 2 x 1.5V LR6 (AA)< p> Tripod thread: 1/4 "Weight approx: 0.25 kgLaser line color: greenWorking range, value: 10 m