Self-leveling horizontal and vertical rotary laser level kit Self-leveling within 5-Degree; anti-drift system; accurate to 1/16-Inch at 100-Feet Dual manual grade of +/-10-Percent pegging slopes and inclines Includes LM800GR, rechargeable Ni-Mh battery, charger, LD400 detector, case, manual, tripod and rod Working range of 2,800-Feet with detector; 2-Year factory warranty, Weight: 0.28 lbs., Manufacturer: CST/Berger