Meet the BOSCH GRL4000-80CHK Self-Leveling Rotary Laser Kit Level 360, a professional-grade layout tool built for pros who demand accuracy, durability, and smart tech on demanding jobsites. It levels itself, talks to your phone, and still keeps your project on track when the chaos of the workday tries to win.

Key Features & Design

• Dual Dial-In Slope — adjust slope on both the X and Y axes for precise grade and layout on uneven surfaces.
• Dual Power Source — run on an 18V CORE18V 4.0 Ah Lithium-Ion battery or use the battery adapter with four D cells, so you’re not stuck recharging at the worst moment.
• Bluetooth Connectivity — pairs with the Bosch Leveling Remote App for sleep mode, Dual Dial-In Slope, and more control on your phone or tablet.
• uCAL User-Calibration — step-by-step guidance to confirm tool status or calibrate the rotary laser to ensure accuracy on the job.
• Rugged Build — cage rubber overmold and an innovative handle design to stand up to the roughest sites; IP68 dust- and water-protection standards keep it playing nice where others quit.
• Vertical Beam Functionality — provides a vertical beam at 90° for layout, squaring, and plumb applications.
• Electronic Self-Leveling — quick setup and easy-use on busy jobsites.
• Long Working Range — up to 4,000 ft with the LR40 receiver; laser accuracy up to ±1/16 in. at 100 ft (horizontal) and ±1/8 in. at 100 ft (vertical).
• Disturbance Monitor — alerts you if the tool position shifts, helping maintain consistent leveling accuracy.
• Variable-Speed & Scan-Angle — tailor visibility to lighting conditions and the task at hand.
• Comprehensive Kit — includes remote, 18V 4.0 Ah battery, charger, alkaline adapter, wall mount, laser receiver, aluminum tripod, sturdy grade rod, and a durable hard carrying case.
• Deluxe Receiver Included — the LR40 Rotary Laser Receiver is included in the GLR4000-80CH package for up to 2,000 ft detection, extending your practical range on challenging sites.

Technical Specifications

• Accuracy — ± 1/16 in. @ 100 ft. Horizontal Mode; ± 1/8 in. @ 100 ft. Vertical Mode
• Range — Up to 4,000 feet (diameter) with receiver
• Laser Diode — 635 nm, <1 mW
• Battery — Lithium-Ion; Battery Voltage 18 Volt
• In the Box / Kit Includes — LR40 Laser Receiver with Bracket; GBA18V40 18V CORE18V Lithium-Ion 4.0 Ah Compact Battery; 18V Battery Charger; BA1 Alkaline Battery Adapter; 4 x D Cell Batteries; 4 x AA Batteries; WM6 Wall Mount; RC5 Remote Control; Small Protective Carrying Case
• Dimensions — Height 11 inches; Length 12.8 inches; Width 7.4 inches
• Weight — 8.2 lbs
• Mounting — 5/8-11 mounting thread
• Operating Temperature — 14°F to 122°F
• IP Rating — IP68
• Warranty — 1 Year on laser, Extended to 2 Years on laser with online product registration
• What’s Included in the Package — GRL4000-80CHVK Laser Package with Dual Slope, Bluetooth, uCAL, and full kit components

Product Images

• bosch-lr40-deluxe-laser-receiver.jpg
• bosch-glr4000-80chvk-dual-grade-laser-header.jpg
• bosch-glr4000-80chvk-dual-grade-laser-angle.webp
• bosch-dual-dial-in-slope.jpg
• bosch-ucal-and-bluetooth.jpg
• bosch-core-18-volt-battery-logo.jpg
• bosch-ip68.jpg
• bosch-glr4000-80chv-dual-grade-laser-specs-features.jpg
• bosch-grl900-20hvk-small.jpg
• bosch-grl2000-40hk-small.jpg
• bosch-grl2000-40hvk-small.jpg
• bosch-grl4000-80ch-small.jpg
• bosch-grl4000-80chv-small.webp

BOSCH GLR4000CHV Laser Kit INCLUDES GRL4000-80CHV 18V REVOLVE4000 Connected Self-Leveling Horizontal/Vertical Rotary Laser LR40 Laser Receiver with Bracket 1 each GBA18V40 18V CORE18V Lithium-Ion 4.0 Ah Compact Battery 18V Battery Charger BA1 Alkaline Battery Adapter 4 each D Cell Alkaline Batteries 4 each AA Batteries WM6 Wall Mount RC5 Remote Control Small Protective Carrying Case

BOSCH GRL4000CHV Laser Package BENEFITS Fully featured rotary laser – has Dual Dial-In Slope, CORE18V power, Bluetooth® connectivity, uCAL user-calibration and more. Dual Dial-In Slope – allows slope angle adjustment on both the X and Y axes Dual Power Source – for extended runtime and option of a 4.0 Ah CORE18V battery or a battery adapter with four (D) cell batteries Durable design – engineered with a cage rubber overmold and an innovative handle design to stand up to the toughest jobsites; built to IP68 dust- and water-protection standards Bluetooth® connectivity – connects to a mobile device, linking to the free Bosch Leveling Remote App, to control sleep mode, Dual Dial-In Slope, and more uCAL – user-calibration guiding the user step-by-step to confirm tool status or calibrate the rotary laser to ensure accuracy on the jobsite Long working range – range of up to 4,000 Ft. with laser receiver, the laser accuracy of up to ±1/16 In. at 100 Ft. in horizontal mode and ±1/8 In. at 100 Ft. in vertical mode Vertical-beam functionality – provides a vertical beam at 90° point for layout, squaring and plumb applications Electronic self-leveling – allows for easy setup and use on the job Disturbance monitor – indicates if tool position changes, ensuring consistent leveling accuracy Variable-speed and scan-angle selection – allows for maximum visibility at different lighting conditions Comprehensive kit – includes a remote control, 18V 4.0 Ah battery and charger, alkaline battery adapter, wall mount, laser receiver, aluminum tripod, sturdy grade rod and durable hard carrying case

BOSCH GRL4000-80CHV TECHNICAL DATA

BOSCH GRL4000CHVK Laser Package SPECIFICATIONS Accuracy ± 1/16 in. @ 100 ft. Horizontal Mode ± 1/8 in. @ 100 ft. Vertical Mode Battery Lithium-Ion Battery Battery Voltage 18 Volt Height 11 inches IP Rating IP68 Laser Diode 635 nm, <1mW Length 12.8 inches Leveling Type Self-Leveling, Up to 5° Material Plastic Composite Mounting Thread 5/8-11 Operating Temperature 14° F ~ 122° F Range Up to 4,000 feet (diameter) Weight 8.2 lbs Width 7.4 inches Warranty 1 Year on laser, Extended to 2 Years on laser with online product registration.      DELUXE BOSCH LR40 Rotary Laser Receiver INCLUDED IN GLR4000-80CH PACKAGE  2,000 Ft. Rotary Laser Receiver The Bosch LR40 Rotary Laser Receiver is designed to increase the GRL4000-80CH and GRL4000-80CHV rotary laser detection up to 2,000 Ft., with a dual-sided backlit LCD display for use in darker areas or outdoors on both sides of the receiver. It has built-in X and Y-axes buttons that allows for elevation and cut-and-fill calculations in both axes up to ±8.5°. The display illuminated large, easy-to-see indicators, including up/down arrows, center line, accuracy level, battery levels and audio signal. It also has LED indicators, to provide easy visual readout and simple operation. The oversized laser detection area helps find the laser beam faster, making it easier to start setting level. The receiver provides convenience features such as built-in magnets for secure attachment to metal surfaces, an adjustable audio indicator, intuitive six-button keypad, receiver vial, attachment hook and ergonomic soft grip. BOSCH LR40 Rotary Laser Receiver INCLUDES LR40 2,000 Foot Rotary Laser Receiver Mounting Bracket (2) AA Batteries BOSCH LR40 Rotary Laser Receiver BENEFITS Receiver to extend working range – increases rotary detection up to 2,000 Ft., with easy-to-see LED indicators, adjustable audio Dual-sided backlit LCD display – illuminates easy-to-see up/down arrows, center line, accuracy level, battery levels and more Dual-sided indicators – provide easy visual readout on both sides of the receiver Oversized detection area – enables fast laser reception Built-in magnets – allow for secure attachment to metal surfaces Adjustable audio indicator – provides clear signal of on-grade position and facilitates precise plus/minus control Intuitive six-button keypad – enables simple operation and center line function in both X and Y axes Receiver vial – helps ensure accurate leveling results Ergonomic soft grip – provides secure handling and comfort   Bosch GRL4000-80CHV 18V REVOLVE4000 Connected Self-Leveling Horizontal/Vertical Rotary Laser The Bosch 18V REVOLVE4000 Connected Self-Leveling Horizontal/Vertical Rotary Laser has it all, with Dual Dial-In Slope, CORE18V Li-ion power, Bluetooth connectivity, user-calibration and more. The Dual Dial-In Slope feature allows the user to adjust the slope angle on the laser on both the X and Y-axes. Powered by a Bosch CORE18V battery, providing extended runtime, the rotary laser has a cage overmold, an innovative handle design and is built to IP68 standards. The GRL4000-80CHV has Bluetooth connectivity, uCAL user-calibration, an accuracy of up to ±1/16 In. at 100 Ft. in horizontal applications, and a range of up to 4,000 Ft. with the LR40 laser receiver. GRL4000-80CHV KEY FEATURES         Dual Dial-In Slope uCAL & Bluetooth CORE18V Batteries Ultimate Jobsite Durability Allows slope angle adjustment on both X and Y aces up to 8.5% User-calibration guiding the user step-by-step to confirm tool status or calibrate the rotary laser to ensure accuracy on the jobsite For extended runtime and option of a 4.0 Ah CORE18V battery or a battery adapter with four (D) cell batteries Engineered with a cage rubber overmold and an innovative handle design to stand up to the toughest jobsites