Spectra Precision LL500 Self-Leveling Rotary Laser w/ HL700 Receiver & Rechargeable Battery - LL500-4

Specifications Leveling accuracy: ± 1.5 mm/30 m, 1/16“ @ 100 ft, 10 arc seconds Operating diameter: appr. 500 m (1600 feet) Self-leveling range: ± 11 arc minutes Temperature Compensation: Yes Laser type: 670 nm Laser class: Class 2 Power source: 4x D-Cell Alkaline or NiMH batteries Battery life: 100 hours NiMH Operating temp.: -4°F to 122°F (-20°C to 50°C) Dust and waterproof: Yes - IP54 Product Description The Spectra Precision LL500 Laser Level is self-leveling within ±11 arc minutes less than one degree. The highly visible beam automatically locates the laser plane and the automatic leveler helps level the instrument on a tripod. Transmitting a 360-degree laser reference, the LL500 is accurate up to ±1/16 inch at 100 feet and has a working range of up to 1,600 feet. With an easy one-button operation, the Spectra LL500 self-leveling laser is ideal for digging septic tanks, checking foundations or elevations, taking grade shots, or setting forms. It also has an out-of-leve