Master Lock Bluetooth Smart Padlock 4400 (indoor)

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Indoor Bluetooth Smart Padlock from Master Lock unlocks without a key or combination using your SmartPhone or manually via directional keypad.
- Share access remotely via the Master Lock Vault app.
- Weather resistant outdoor padlock also available.
- Pry resistant body is constructed from Zinc.
- Boron Carbide shackle to resist bolt cutters.
- Review audit trail via the app to see who's opened the padlock.
- External battery contacts in case of battery failure.
- 1 x CR2450 coin cell battery (included).
- Body dimensions: 50 x 47 x 27mm (HxWxD)
- Shackle clearance: 22mm
- Shackle diameter: 7mm
Ref: MAS-4400EURD


The Master Lock Bluetooth Smart Padlock 4400 is designed for indoor use and is ideal for securing school lockers and store rooms. Your smartphone is the key for this smart padlock which will open on touch when the phone is with you via a Bluetooth connection. Access can be shared remotely via the Master Lock Vault app* and the audit trail facility will log who opened the padlock, when and for how long. The lock is powered by a CR2450 coin cell battery, which is included with the purchase, and also includes external battery power point in case your battery runs flat.

* Requirements: SmartPhone must be iOS 8.0 and above or Android 4.3 and above.

Product Details

A 47mm
B 22mm
C 22mm
D 7mm
E 27mm
F 80mm
Body Width
Vertical Shackle Clearance
Horizontal Shackle Clearance
Shackle Diameter
Body Thickness
Overall Height
Body MaterialZinc
Body ShapeSquare
Shackle MaterialBoron Carbide
Shackle ShapeRound
Shackle TypeOpen
Weight300 grams
Lock Mechanism
Lock TypeBluetooth (Smart)
Keys Includedn/a
Battery Type1x CR2450 Coin Cell (included)
WeatherproofNo (Internal Use)
Security Features
Saw ResistantNo
Anti CutYes

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