






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






| 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. |
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