Bosch GRL 400 H Professional 400M Auto Level Rotation Laser Set - 06159940JY

Bosch GRL 400 H Professional 06159940JY rotation laser level set (400m)

Bosch GRL 400 H Professional 06159940JY rotation laser set is an outdoor-ready rotating laser level designed for fast, accurate horizontal levelling on site. Built for trade users who need reliable setup over distance, it delivers clear reference lines for groundwork, formwork and general construction layout.

With a working range up to 400m when used with the included LR 1 receiver, the GRL 400 H system helps maintain consistent results across larger areas, while self-levelling and shock warning protection support accurate positioning in demanding environments.

Key Features

• Long working range: Up to 400m range with the supplied receiver for outdoor levelling across large sites.
• Self-levelling operation: Self-levelling function helps speed up setup and reduce manual adjustment.
• Shock warning system: Automatic shock warning helps prevent levelling errors caused by knocks or vibration.
• Site-tough build: Robust, shock-resistant aluminium cage and IP56 dust and splash protection for harsh jobsite use.
• Simple controls: One-button keypad supports quick, straightforward operation.
• Ergonomic handling: Two soft-grip handles make it easier to carry and position on site.
• Tripod mounting: 5/8"-11 thread for easy installation on compatible tripods and stands.

Specifications at a glance

Suitable applications

• Outdoor horizontal levelling and height transfer across larger areas when used with a receiver.
• Groundworks, concrete formwork setup and general construction layout.
• Site environments where protection against dust and splashing water is beneficial.