18V REVOLVE4000 Li-Ion Connected Self-Leveling Horizontal/Vertical Rotary Laser - GRL4000-80CHV-RT. (1) CORE18V 4 Ah Compact Lithium-Ion Battery - GBA18V40. 18V Lithium-Ion Battery Charger - GAL18V-40. Laser Receiver with Bracket - LR40. Remote Control - RC5. Wall Mount - WM6. (4) AA Batteries. (4) D Batteries. Carrying Case. Fully featured rotary laser - has Dual Dial-In Slope, CORE18V power, Bluetooth connectivity, uCAL user-calibration and more. Laser Class: Class II, Wavelength (Laser Diode): 635 nm. Long working range - range of up to 4000 ft. with laser receiver, the laser accuracy of +/- 1/16 In. at 100 ft. in horizontal mode and +/- 1/8 In. at 100 ft. in vertical mode. 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 Ah CORE18V battery or a battery adapter with (4) 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. Vertical-beam functionality - provides a vertical beam at 90 Degrees 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