---
product_id: 359454914
title: "IU-20 Matte Black"
brand: "iulock"
price: "309.76 DT"
currency: TND
in_stock: null
reviews_count: 8
url: https://www.desertcart.tn/products/359454914-iu-20-matte-black
store_origin: TN
region: Tunisia
---

# IP65 waterproof rating 2+ years battery life 50 user codes programmable IU-20 Matte Black

**Brand:** iulock
**Price:** 309.76 DT
**Availability:** ❌ Out of Stock

## Summary

> 🔐 Unlock the future of secure, stylish access — because your door deserves more than a key.

## Quick Answers

- **What is this?** IU-20 Matte Black by iulock
- **How much does it cost?** 309.76 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/359454914-iu-20-matte-black)

## Best For

- iulock enthusiasts

## Why This Product

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

## Key Features

- • **Master Your Access:** Program up to 50 unique codes plus 1 master code for ultimate control and convenience.
- • **Effortless Auto-Lock:** Automatic locking within 4 seconds guarantees peace of mind every time you close the door.
- • **Smart Security Modes:** Enable silent mode, password disguise, and passage mode to customize your security experience.
- • **Seamless Installation:** Fits standard doors (1-3/8" to 2-1/2" thick) with a universal rotating knob for left or right-handed use.
- • **Built to Brave the Elements:** IP65 waterproof design ensures reliable security rain or shine, indoors or outdoors.

## Overview

The IU-20 Code Door Lock is a sleek, matte black electronic door knob featuring a backlit keypad that supports up to 50 user codes and 1 master code. Designed for both residential and commercial use, it boasts IP65 waterproofing, a heavy-duty metal build, and an auto-lock function for enhanced security. With easy installation on standard doors, long-lasting battery life exceeding two years, and smart features like silent mode and password disguise, this lock offers a modern, hassle-free upgrade to your entryway security.

## Description

IU-20 Code Door Lock, Electronic Door Knob with Keypad and Key, Auto Lock, Waterproof, Passage Function, Long Battery Life,50 Codes, Easy to use and Install for Office/Warehouse/Bedroom/Garage

## Features

- [Keyless Entry & Ergonomic Design]✦ This keypad door knob lock allows you to program up to 50 user access codes and 1 master code.the code in length can be 4 to 15 digit,easily programmed at the backlit keypad in seconds. An idealistic simplified look brings trendy style to the exterior & interior doors of your office, home and rental property,etc.
- [Enhanced Security & Durable]✦ This electronics keypad lock has the strength and durability optimized for commercial applications.Heavy-duty and contemporary design,premium metal construction and solid lock cylinder,easy-to-grasp handle.IP65 weatherproof,works great in any weather.Ideal for your entrance doors,front door entry,garage,utility room doors,side, backdoors,bedrooms.
- [Multi-functions & Smart]✦ Auto-locks behind you for peace of mind.Password disguise.Silent mode.Depending on your needs,you can enable Passage Mode.Backlit keypad will lit when pushing any button.Low battery warning,and you can use type-c usb backup (cable not included) in case that batteries run out.The backup keys are compatible with most mechanical keys.
- [Easy Install & Universal Fit ]✦This keyless entry door knob is a direct replacement for your standard doors,the free rotating knob makes it fit both left and right handed doors,door thickness：1-3/8 Inch to 2-1/2 Inch,with a 2-3/8 Inch or 2-3/4 Inch adjustable latch. Install in minutes with just a screwdriver.
- [Lifetime Customer Support]✦ No more lockouts.It is an awesome gift that can bring new excitement and convenience to you.Iulock door knob comes with a lifetime mechanical and finish.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | iulock |
| Special Feature | Waterproof |
| Lock Type | Door lock |
| Item dimensions L x W x H | 8.07 x 4.53 x 4.53 inches |
| Material | Metal |
| Recommended Uses For Product | Security |
| Style | Contemporary |
| Color | Matte Black |
| Number of Pieces | 4 |
| Finish Type | matte |
| Controller Type | Hand Control, Mechanical knob, Push Button |
| Shape | Rectangular |
| Item Weight | 1 Pounds |
| Control Method | App |
| UPC | 781509852207 |
| Manufacturer | IULOCK |
| Item Weight | 1 pounds |
| Product Dimensions | 8.07 x 4.53 x 4.53 inches |
| Item model number | IU-20 |
| Batteries | 4 AA batteries required. |
| Finish | matte |
| Special Features | Waterproof |
| Usage | 2 Traditional keys( KW type ), 1 Master code,50 User codes, code 4-15 digit in length, waterproof IP65 (Can be used outdoors, can work when it rains),Energy saving, 4 AA batteries (batteries not included) can be used for more than 2 years,USB type-c backup,Backlit Keypad,password protection(random digits before or after the correct access code), Auto-lock (4 second), Passage Mode(Easy passage mode [√5√master code√] for easy back to auto-lock. Advanced passage[√ 0 √ master code √ 1 √] for a long time not need to auto-lock.[ master code √]to exit this passage mode, Silent Mode[Enable:√ 6 √ master code √ 0 √,Disable:√ 6 √ master code √ 1 √]. |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| Warranty Description | Lifetime Limited Mechanical and Finish Warranty and 1-Year Limited Electronics Warranty Subject to the terms and conditions of the warranty, IULOCK extends a lifetime limited mechanical and finish warranty and a one-year limited electronics warranty to the original consumer user (“Original User”) of our IULOCK brand product (“Product”) against defects in material and workmanship, as long as the Original User occupies the residential premises upon which the Product was originally installed. |

## Product Details

- **Brand:** iulock
- **Special Feature:** Waterproof
- **Lock Type:** Door lock
- **Item dimensions L x W x H:** 8.07 x 4.53 x 4.53 inches
- **Material:** Metal

## Images

![IU-20 Matte Black - Image 1](https://m.media-amazon.com/images/I/61KaRw8oLqL.jpg)
![IU-20 Matte Black - Image 2](https://m.media-amazon.com/images/I/71lz66bTKpL.jpg)
![IU-20 Matte Black - Image 3](https://m.media-amazon.com/images/I/81JGrWaPenL.jpg)
![IU-20 Matte Black - Image 4](https://m.media-amazon.com/images/I/71ZTeQxRYTL.jpg)
![IU-20 Matte Black - Image 5](https://m.media-amazon.com/images/I/719wjGmsYHL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy lock for gates
*by A***S on September 13, 2025*

Easy to install and durable

### ⭐⭐⭐⭐⭐ Buy it now
*by A***R on May 28, 2025*

These are amazing! Easy to install and works great. No more forgetting the key. Punch in your code and you’re good to go! So worth it!

### ⭐⭐⭐⭐⭐ Great lock
*by A***R on August 17, 2025*

The instructions were very easy and I was able to program the code easily. We purchased it for an outdoor gate to keep our 6year old from running down to the river by herself. Peace of mind now.

## Frequently Bought Together

- iulock IU-20 Code Door Lock, Electronic Door Knob with Keypad and Key, Auto Lock, Waterproof, Passage Function, Long Battery Life,50 Codes, Easy to use and Install for Office/Warehouse/Bedroom/Garage
- iulock Keypad & Key Smart Door Lock, 50 User Codes, Waterproof, Auto Lock - Matte Black
- Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-03-14*