Additional Details ------------------------------ Bullet point: Brand Name: Faultless Finish: Satin Nickel Material: Metal Product Type: Electronic Deadbolt Packaging Type: Clamshell Cylinder Type: Single Cylinder Number of Keys Included: 2 Grade: 3 Grade Commercial or Residential: Residential Requires 4 "AA" batteries - Not included Auto lock with adjustable delay Keyed different Up to 10 user codes 1 master code