The Bosch® GLL300-42GL 3.7V 360° Green-Beam Three-Plane Leveling and Alignment Laser with Li-Ion Battery is an all-in-one solution for precise outdoor and indoor leveling and alignment. It emits three bright green-beam laser chalk lines in 360° planes (one horizontal and two vertical) for high-visibility and fast job setup. With power flexibility using a rechargeable Li-Ion battery, AA batteries, or USB-C charging, it ensures uninterrupted performance. The tool has IP65-rated dust-tight and water-resistant construction, VisiMax™ technology for optimized line visibility and battery life, and a Smart Pendulum System for self-leveling and secure transport. It delivers accuracy of up to ±1/8 in. at 100 ft. and a range of up to 1,000 ft. with the LR10 receiver (sold separately). Ideal for construction, remodeling, and installation tasks, it's backed by a 3-year limited warranty.

Features

• Power flexibility – works with the included rechargeable 3.7V Li-Ion 3.0 Ah battery, AA batteries (sold separately), or charge via USB-C
• Jobsite tough construction – IP65 rated for dust-tight and water-resistant durability
• 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 increase efficiency and extend battery life by adjusting laser brightness
• All-in-one functionality – three chalk lines in 360º laser planes (one horizontal and two vertical) for complete leveling and alignment
• 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)
• Magnetic L-bracket – with strong magnets for versatile positioning
• ¼ in. and 5/8 in. threading mount – for secure tripod attachment
• Full rubber overmold housing – helps protect every major impact point, with a design similar to a roll cage
• Rubber grip base – for stable operation and grip in challenging work environments

Includes

• (1) GLL300-42GL 3.7V 360⁰ Green-Beam Three-Plane Leveling and Alignment Laser
• (1) GBA37V30 3.7V Lithium-Ion 3.0 Ah Battery
• (1) Alkaline Battery Adapter
• (1) Magnetic L-Bracket Mount
• (1) Laser Target Plate
• (1) USB-C Charging Cord
• (1) Hard Carrying Case