PACIFIC LASER PLS SYSTEMS The Professional Standard PLS HR 1000 Horizontal Only Rotary Laser Easy to Use Fully Automatic No Slope Accuracy: 3/32 inch ©100 feet (24mm @ 30 meters) Operation Range: Radius 1000 feet w/detector (304 meters) Includes: -Rechargeable Battery Pack Charger ~Carrying Case ~Optional Alkaline Battery Pack See more information at www.plslaser.