Master Lock 5441D Personal Use Bluetooth Key Storage Lock

Master Lock No. 5441D Wall Mount Lock Box: The Master 5441 Lockbox Eliminates the Need for Physical Keys and Key Management. For Personal Use, Supports up to 10 Locks. Master Lock 5441D Bluetooth Padlock  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 Easy to Replace Battery (CR123A) is Pre-Installed Can Also be Accessed by Entering Traditional Code on Keypad Download Free App or Use Web to Track Usage; Low Battery Warnings Large Storage Capacity for Keys, Key Cards & Access Cards; Includes All Mounting Hardware Access: Schedule Access Now or in the Future; Permanent Access or Temporary Access Width: 3-1/4"in (83mm) Height: 5in (12.7cm) Depth: 2-5/16in (59mm)