Torpedo Laser Dot, Three 90 Degree Beams Emit Simultaneous Level, Plumb, Square Reference Points, Four Vials Read Plumb, Level, 45 Degree & Cross Check Vial For More Accurate Leveling, Precision Crafted Anodized Machined Aluminum Frame For Superior Accuracy & Durability, Strong Magnetic Base, Tripod Mount & V Groove Frame For Maximum Versatility, Includes: Laser Dot, Leveling Base, 3 "AA" Alkaline Batteries, Instruction Manual With Warranty Card & Soft Sided Pouch.