Spectra GL722 Dual Grade Laser w/ Remote Control & CR600 Receiver

Specifications Laser Type/Class: 658 nm, IEC Class 2 Leveling Accuracy: 3/64 in @ 100 ft (1.2 mm @ 30 m, 8 arc seconds) Range (Diameter): 3,000 ft (900 m) Axis Grade Range X: -10% to +10% Axis Grade Range Y: -0.5% to +25% Grade Resolution: 0.001% Self-Leveling Range: ±14° Rotation Speeds: 300, 600, 900 rpm Radio Remote Range: 750 ft (225 m) general, 500 ft (150 m) auto alignment Water Resistance: Fully sealed, waterproof Power Source: (6)x NiMH Battery Operating Hours: 30 hrs Size (L x W x H): 7.75 x 10.0 x 11.75 in (20 x 25 x 30 cm) Weight: 18.5 lb (8.4 kg) Warranty: 2 Years Product Description The Spectra Precision® GL722 Dual Grade Laser combines the long-range, high-accuracy performance of the GL720 with advanced automatic axis alignment and Grade Match functionality. With a fully compensated ±10% grade range on the X-axis and -0.5% to +25% on the Y-axis, it maintains precision over distanc