NWI NRL800X 1/16" Accuracy Dial-In Grade Laser Level with Rechargeable Batteries and Detector Laser Beam: Horizontal and Zenith Wave Length: 635 nm Operating Range: 2,000 ft. with Detector Leveling Accuracy: 1/16 in @ 100 ft. horizontal, 1/8 in @ 100 ft. vertical Grade Setting Method: Dial-in Automatic Programmable Grade Settings: +/- 8 Power: Rechargeable Batteries Tripod Adapter: 5/8 x 11 thread Includes: Detector, Remote Control, Rechargeable Batteries and Charger, Bracket, Grid Target, Glasses Carrying Case and Manual