Notify me when this product is back in stock
Buy Now, Pay Later
- – 6-month term
- – No impact on credit
- – Instant approval decision
- – Secure and straightforward checkout
Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Eligible for Return, Refund or Replacement within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Recently Viewed
Features
- PADLOCK APPLICATION: For indoor use; Compact design is best used for school, employee, athletic, and indoor storage lockers
- EASE OF USE: Use your smartphone to unlock Bluetooth padlock, or enter directional code on lock keypad for easy backup entry when your smartphone isn't present; Locker Mode setting allows for smartphone storage inside a locker
- SHARED ACCESS: Share temporary or permanent access via Bluetooth or keypad code with invited guests or coworkers, monitor activity, and receive tamper and low-battery alerts all from your free Master Lock Vault eLocks app for Android and iOS
- DURABLE DESIGN: Padlock includes metal body construction, boron carbide shackle, and anti-shim locking mechanism for improved strength and security; plus military-grade Bluetooth authentication and encryption
- DIMENSIONS: 1-29/32 in. wide lock body; 9/32 in. diameter shackle with 7/8 in. length, 13/16 in. width; Includes two locks
Description
The Master Lock No. 4400D Bluetooth Padlock features a 1-29/32 in. (47mm) wide metal body for durability. The 9/32 in. (7mm) diameter shackle offers 7/8 in. (22mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The smartphone/app interface offers speed, ease of use, & greater control with the ability to share access; with keyless convenience. The locking mechanism features anti-shim technology, offering maximum security. The 1 Year Limited Warranty provides peace of mind from a brand you can trust.
Brand: Master Lock
Special Feature: Keyless
Lock Type: Keypad
Item dimensions L x W x H: 6.25 x 3.88 x 1.88 inches
Material: Metal
Brand: Master Lock
Special Feature: Keyless
Lock Type: Keypad
Item dimensions L x W x H: 6.25 x 3.88 x 1.88 inches
Material: Metal
Recommended Uses For Product: Security
Style: Indoor
Color: Black
Finish Type: Polished
Included Components: Hardware, Door Knobs & Lock Sets, padlocks
Controller Type: iOS, Android
Shape: Rectangular
Item Weight: 8 ounces
Control Method: App
Connectivity Protocol: Bluetooth
Global Trade Identification Number:
Manufacturer: Master Lock
Part Number: 4400D
Product Dimensions: 6.25 x 3.88 x 1.88 inches
Item model number: 4400D
Size: 2 Pack
Finish: Polished
Item Package Quantity: 1
Number Of Pieces: 22
Special Features: Keyless
Batteries Included?: No
Batteries Required?: No
Date First Available: May 12, 2017
Frequently asked questions
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
![MASTER LOCK Heavy Duty Disc Padlock [Combination] [Stainless Steel] [Outdoor] M40EURDNUM - Best Used for Storage Units, Sheds, Garages, Trailers and More](https://m.media-amazon.com/images/I/61-UgQh3tPL._AC_US500_.jpg)
