Bosch Universal Level 3 Cross Line Laser with Plumb Points, 10 m Range, Red Beam, ±0.5 mm/m Accuracy, Automatic Self-Levelling, 1/4 inch Tripod Thread, 4x AA Batteries 0603663904

With a working range of 10 metres and a precise ±0.5 mm/m accuracy, this cross line laser projects crisp horizontal and vertical lines plus two plumb points, making it ideal for fast, reliable alignment on any job site.

Overview

The Bosch Universal Level 3 is a compact automatic self-levelling laser that combines a cross line function with plumb points for floor-to-ceiling transfer. Its 630–650 nm red laser diodes deliver bright, clearly visible lines and points, while the pendulum levelling system ensures quick and accurate setup within ±3° of tilt. The tool self-levels in just 4 seconds, so you can start working almost immediately after switching it on.

Powered by four standard AA batteries, it offers up to 5 hours of continuous operation in cross line mode. The 1/4" tripod thread allows mounting on standard tripods or other accessories for hands-free use. A robust design and an operating temperature range of +5 °C to +40 °C make it suitable for a variety of indoor applications.

What stands out

• Cross line plus plumb points for versatile alignment tasks
• Automatic self-levelling within ±3° with 4-second levelling time
• Bright red laser lines and points (630–650 nm, class 2)
• 10 m working range with ±0.5 mm/m accuracy
• Runs on 4 AA batteries – up to 5 hours runtime
• Standard 1/4" tripod thread for easy mounting

Technical details

• Laser type: Cross line laser with plumb points
• Laser diode: 630–650 nm
• Laser class: 2
• Accuracy: ±0.5 mm/m
• Working range: 10 m
• Self-levelling range: ±3°
• Self-levelling time: 4 s
• Tripod thread: 1/4"
• Power supply: 4 x 1.5 V LR6 (AA) batteries
• Operating time: 5 hours (cross line mode)
• Operating temperature: +5 °C to +40 °C
• Storage temperature: -20 °C to +70 °C
• Functions: Horizontal line, vertical line, cross lines, plumb points
• Levelling type: Automatic

Our verdict

The Bosch Universal Level 3 is a reliable, easy-to-use laser for everyday levelling and alignment tasks. Its combination of cross lines and plumb points, along with fast self-levelling and long battery life, makes it a practical choice for both professionals and DIY enthusiasts.