Master Lock 4400D Indoor Bluetooth Lock

Master Lock No. 4400D Bluetooth Lock: The Master Lock 4400D Indoor Bluetooth Padlock Eliminates the Need for Physical Keys and Key Management. For Personal Use, Supports up to 10 Locks. Master Lock 4400D Bluetooth Lock  Open and Manage with Your Smartphone: Your Smartphone IS the Key! The Master Lock Vault Home App is Designed for Personal Use and Supports up to 10 Locks Locker Mode Setting Allows for Storage Inside a Locker; Never Worry about a Forgotten Combination! Share Access: Temporary or Permanent; Limit Day or Night; Monitor All History Backup Access Using Directional Code on Lock Keypad Easy to Replace CR2450 Battery; Battery Jump Allows Temporary Access if Dies while Locked; Low Battery Notification in App and on Lock  Specs_Width: 1-29/32" Wide; A: 5/16in (8mm) B: 1in (25mm) C: 1in (25mm) Best Used For: School Lockers, Employee Lockers, Athletic Lockers, Indoor Storage Lockers; Residential Gates & Fences; Sheds, Workshops & Garages; Tool Trunks, Tool Boxes & Tool Cribs, Self-Storage Units & Lockers