---
product_id: 22852370
title: "Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D"
brand: "master lock"
price: "₨112362"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/22852370-padlock-indoor-personal-use-bluetooth-lock-1-29-32-in
store_origin: LK
region: Sri Lanka
---

# Smartphone app control & sharing Bluetooth-enabled keyless security Military-grade encryption & metal build Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D

**Brand:** master lock
**Price:** ₨112362
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock the future of indoor security with Master Lock’s smart Bluetooth padlock!

## Quick Answers

- **What is this?** Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D by master lock
- **How much does it cost?** ₨112362 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/22852370-padlock-indoor-personal-use-bluetooth-lock-1-29-32-in)

## Best For

- master lock enthusiasts

## Why This Product

- Trusted master lock brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Stylish:** Sleek 3.2 x 2 x 1.4 inch polished metal design fits perfectly on any indoor locker.
- • **Robust Security Build:** Boron carbide shackle and anti-shim mechanism for top-tier indoor protection.
- • **Seamless Keyless Access:** Unlock via smartphone or keypad—no more fumbling for keys.
- • **Share Access Effortlessly:** Grant temporary or permanent entry remotely through the Master Lock Vault app.
- • **Smart Alerts & Monitoring:** Receive tamper and low-battery notifications directly on your phone.

## Overview

The Master Lock 4400D is a compact, indoor Bluetooth-enabled padlock designed for personal use on lockers and storage. Featuring keyless entry via smartphone app or keypad, it supports secure sharing and real-time tamper alerts. Built with a boron carbide shackle and military-grade encryption, it offers robust protection in a sleek, polished metal body.

## Description

Master Lock Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D

## Features

- For indoor use; compact design is best used for school, employee, athletic, and indoor storage lockers
- Use your smartphone to unlock Bluetooth padlock, or enter directional code on lock keypad for easy backup entry when your smartphone isn't present; Disabled mode setting allows for smartphone storage inside a locker (Wi-Fi connection is not required to operate)
- Share temporary or permanent access via Bluetooth or keypad code with invited guests, monitor activity, and receive tamper and low-battery alerts all from your free Master Lock Vault Home app for Android and iOS. Designed for personal use, supporting up to 10 locks
- 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
- 1-29/32 in. wide lock body; 9/32 in. diameter shackle with 7/8 in. length, 13/16 in. width

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Master Lock Store |
| Special Feature | Keyless |
| Lock Type | Keypad |
| Item dimensions L x W x H | 3.2 x 2 x 1.4 inches |
| Material | Metal |
| Recommended Uses For Product | Security |
| Style | Indoor |
| Color | Silver and Black |
| Number of Pieces | 1 |
| Finish Type | Polished |
| Included Components | Master Lock - 4400EC |
| Controller Type | Android, Vera, iOS |
| Shape | Rectangular |
| Item Weight | 0.23 Kilograms |
| Control Method | App |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| UPC | 071649266591 |
| Model Name | Master Lock - 4400EC |
| Global Trade Identification Number | 00071649266591 |
| Manufacturer | Master Lock Store |
| Part Number | Master Lock - 4400EC |
| Item Weight | 8.1 ounces |
| Product Dimensions | 3.2 x 2 x 1.4 inches |
| Item model number | 4400DMX |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 1 Pack |
| Finish | Polished |
| Item Package Quantity | 1 |
| Special Features | Keyless |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Lithium Manganese Dioxide |
| Warranty Description | Limited 1 Year Warranty |

## Product Details

- **Brand:** Master Lock Store
- **Special Feature:** Keyless
- **Lock Type:** Keypad
- **Item dimensions L x W x H:** 3.2 x 2 x 1.4 inches
- **Material:** Metal

## Images

![Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D - Image 1](https://m.media-amazon.com/images/I/51qEDqPoYYL.jpg)

## Frequently Bought Together

- Master Lock Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D
- Master Lock Digital Lock Box for Keys with Code, Electronic Wall Mount Key Safe with Bluetooth Connection to iOS/Android App and Sharable Keypad Codes, 3-1/4 Inches Wide, ‎5441EC

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**Shop now:** [https://www.desertcart.lk/products/22852370-padlock-indoor-personal-use-bluetooth-lock-1-29-32-in](https://www.desertcart.lk/products/22852370-padlock-indoor-personal-use-bluetooth-lock-1-29-32-in)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-21*