Northwest Instrument NIN/EXPK802 Two - Beam General Purpose Laser with Slope Match Function Interior /Exterior Pkg • Horizontal & Vertical Leveling Laser • Laser Beam: Horizontal & Zenith • Wave Length: 635 nm • Leveling Accuracy: 1/16 in @ 100 ft horizontal 1/8 in @ 100 ft vertical • Operating Range: 2,000 ft with Detector • Self Leveling Range: +/- 5 • Self Leveling Method: Electronic Servo Motors • Bumper Sensor: On Board • Includes: Laser, Bracket, Remote Control, Rechargeable Batteries, Charger, Grid Target, NLD5G Detector & Clamp, Universal Wall Mount/Ceiling Bracket, Grade Rod, Tripod, Carrying Case & Manual • Tripod Adapter: 5/8 x 11 Thread