Precision crafted anodized, machined aluminum frame for superior accuracy and durability, Four vials read plumb, level, 45 degrees, and cross check, Three 90 degrees beams emit simultaneous level, plumb and square reference points, Strong magnetic base, tripod mount, and v-groove frame for maximum versatility, Leveling base included, 40-6184 Includes > Laser, leveling base, 3 "AAA" alkaline batteries, instruction manual with warranty card, soft-sided carrying pouch