--- product_id: 359454914 title: "IU-20 Matte Black" brand: "iulock" price: "€ 88.30" currency: EUR in_stock: null reviews_count: 13 category: "Iulock" url: https://www.desertcart.be/products/359454914-iu-20-matte-black store_origin: BE region: Belgium --- # IP65 waterproof rating Long-lasting battery with USB backup 50 user codes programmable IU-20 Matte Black **Brand:** iulock **Price:** € 88.30 **Availability:** ❌ Out of Stock ## Summary > 🔐 Unlock the future of secure, stylish access—because your door deserves smarter protection. ## Quick Answers - **What is this?** IU-20 Matte Black by iulock - **How much does it cost?** € 88.30 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/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 a master code for ultimate control and convenience. - • **Built to Brave the Elements:** IP65 waterproof and heavy-duty metal construction ensures security rain or shine. - • **Backup Keys & Battery Alerts:** Never get locked out with mechanical key backup and low battery warnings with USB emergency power. - • **Smart Auto-Lock & Silent Mode:** Enjoy peace of mind with automatic locking and discreet silent operation. - • **Effortless Installation & Universal Fit:** Fits most doors with adjustable latch and reversible knob—install in minutes with a screwdriver. ## Overview The IU-20 Code Door Lock is a sleek, durable electronic door knob featuring a backlit keypad that supports up to 50 user codes and a master code. Designed for both residential and commercial use, it boasts IP65 waterproofing, heavy-duty metal construction, and smart features like auto-lock, silent mode, and passage function. Easy to install on standard doors with reversible knobs and adjustable latches, it also offers mechanical key backup and USB battery emergency power, backed by a lifetime mechanical and finish warranty. ## Description 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 - desertcart.com Review: Door lock - This works great! Multiple codes can be used, and I use this for my closet door application due to eye store, handguns, and it keeps children and people out! Very easy to install, and great value for the money. The battery life lasts twice as long if you use lithium batteries. Review: Easy to program - Still working and its nice to have a key for backup in case the electronics fail. ## 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 | |---------------|-------| | ASIN | B09B5DXZ16 | | Additional Features | Waterproof | | Best Sellers Rank | #49,380 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #255 in Door Knobs | | Brand Name | iulock | | Color | Matte Black | | Control Method | App | | Controller Type | Hand Control, Mechanical knob, Push Button | | Customer Reviews | 4.1 4.1 out of 5 stars (1,193) | | Finish Types | matte | | Item Dimensions | 8.07 x 4.53 x 4.53 inches | | Item Weight | 16 ounces | | Lock Type | Door lock | | Manufacturer | IULOCK | | Manufacturer 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 Or… | | Material Type | Metal | | Model Number | IU-20 | | Recommended Uses For Product | Security | | Shape | Rectangular | | Style Name | Contemporary | | UPC | 781509852207 | | Unit Count | 1 Count | ## Product Details - **Brand:** iulock - **Item dimensions L x W x H:** 8.07 x 4.53 x 4.53 inches - **Lock Type:** Door lock - **Material:** Metal - **Special Feature:** Waterproof ## Images ![IU-20 Matte Black - Image 1](https://m.media-amazon.com/images/I/61KaRw8oLqL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Door lock *by I***Y on February 26, 2026* This works great! Multiple codes can be used, and I use this for my closet door application due to eye store, handguns, and it keeps children and people out! Very easy to install, and great value for the money. The battery life lasts twice as long if you use lithium batteries. ### ⭐⭐⭐⭐⭐ Easy to program *by J***S on December 28, 2025* Still working and its nice to have a key for backup in case the electronics fail. ### ⭐⭐⭐⭐⭐ It’s easy *by D***M on January 15, 2026* easy install and programming ## 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. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/359454914-iu-20-matte-black](https://www.desertcart.be/products/359454914-iu-20-matte-black) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-05-01*