99-026K Self-Leveling Horizontal Rotary Laser System w/ Hard Case Kit, 50 x 14.5, Red, 1 Kit. 800' working diameter- over 11 acres! Includes everything needed to grade or level your jobsite One person operation Includes rechargeable batteries Visual and audible alarms when beyond leveling range Locking compensator protects inner mechanisms 90° split beam for alignment work. As our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected.