From the Manufacturer
AutoLaser 3110-GR Visible Horizontal Beam Electronic Self-Leveling Single Manual Grade Rotary Laser. Features a visible beam class IIIa Laser, with a leveling range of +/- 5 degrees. Single Grade (manual) of +/-10%. Operating Range of 2000 feet in diameter and includes a 7-Channel Dual Display Laser Sensor and Rod Bracket. Fixed Rotation Speed of 600RPM. Laser Accuracy of +/- 1/16" @ 100. IPX4 Rated. 2 Year Factory Warranty.
Product Description
Self-leveling rotary laser projects single horizontal beam with 1/16in. accuracy at 100 feet. Up to 2000 ft. range. Anti-drift system signals operator when unit is moved out of position. Single axis grade capability up to 10%. U.S.A.