Master Lock No. 4400ENT Series Bluetooth Lockbox

• Use Your Smartphone to Open and Manage Door with Master Lock Vault App
• Includes Master Lock Vault Enterprise IOS / Android App and Web Interface, Designed for Business Applications Working with Many Locks and Many Users
• Secure Door Access: Only Authorized Devices Can Enter; Grant or Revoke Access
• Backup Access Using Direction Code on Lock Keypad
• Share Access with Others - Either Temporary or Permanent
• Audit Trail Keeps All Data & History; Easy to Replace CR2450 Battery
• Low Battery Notification and Reminder on Padlock and in IOS / Android App
  
• Battery Jump Allows for a Temporary Access if Battery Dies While Locked
• Shackle Height: 7/8" (No. 4400ENT) or 2-Inch (No. 4401LHENT) Tall
• Specs_Width: 1-29/32" Wide;A: 5/16" (8mm) B: 7/8" (22mm) or 2" (51mm) C: 1" (25mm)
  

• Best Used Indoors For: School Lockers, Employee Lockers, Athletic Lockers, Indoor Storage Lockers; Sheds, Workshops & Garages; Tool Trunks, Tool Boxes & Tool Cribs; Self-Storage Units & Lockers