---
product_id: 600199639
title: "HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A"
brand: "henaxsad"
price: "S/.68"
currency: PEN
in_stock: true
url: https://www.desertcart.pe/products/600199639-hernas-20pcs-rewritable-uid-smart-key-fobs-premium-13-56mhz
store_origin: PE
region: Peru
---

# 13.56MHz frequency, ISO 14443A compliant 20pcs rewritable UID smart keys 100,000+ rewrite cycles HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A

**Brand:** henaxsad
**Price:** S/.68
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock smarter security with HERNAS – where innovation meets reliability.

## Quick Answers

- **What is this?** HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A by henaxsad
- **How much does it cost?** S/.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/600199639-hernas-20pcs-rewritable-uid-smart-key-fobs-premium-13-56mhz)

## Best For

- henaxsad enthusiasts

## Why This Product

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

## Key Features

- • **Ready to Use:** Comes in a pack of 20 with key rings included—no assembly required, just plug and play.
- • **Rugged & Reliable:** Crafted from premium ABS plastic, water-resistant and built to withstand extreme temperatures (-40°C to 65°C).
- • **Endless Reusability:** Reprogram each fob over 100,000 times—future-proof your security with sustainable tech.
- • **Unique Encrypted IDs:** Each key fob features a unique encrypted UID, ensuring top-tier security and easy cloning.
- • **Ultimate Access Control:** Seamlessly compatible with all 13.56MHz RFID readers and door systems for flawless entry management.

## Overview

The HERNAS 20pcs Rewritable UID Smart Key Fobs operate at 13.56MHz and comply with ISO 14443A standards, offering 1024 bytes memory organized in 16 sectors. Compatible with all 13.56MHz RFID readers and door access systems, these ABS plastic fobs support over 100,000 rewrites and feature unique encrypted IDs for secure cloning and access control. Ideal for professional environments requiring durable, reusable, and secure entry solutions.

## Description

HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A

## Features

- Fully compatible to MI-FARE Classic 1K,4-byte UID, 1024 bytes memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal.
- Compatible with all kinds of 13.56MHz RFID readers writers and 13.56MHz door access control system devices.
- Support read, write and reprogrammed, over 100000 rewrite times. Can clone 13.56MHz IC card, NFC stickers, NOT compatible with 125KHz keys cards.
- Each key fob with a unique encrypted ID number, card data can be reprogrammed.
- High quality ABS plastic material, water resistant. Each fob comes with Key ring included.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | HENAXSAD |
| Color | Blue |
| Power Source | Battery Powered |
| Compatible Devices | 13.56MHz RFID readers, writers, and door access control systems |
| Item dimensions L x W x H | 1.6 x 1.2 x 0.12 inches |
| Connectivity Technology | Wireless |
| Installation Type | Self-Adhesive |
| Alert Type | Entry Only |
| Control Method | App |
| Maximum Range | 0.1 Meters |
| Included Components | Bag |
| Unit Count | 20.0 Count |
| Assembly Instructions Description | No assembly required |
| Manufacturer | HENAXSAD |
| Part Number | HERNAS-UID20key |
| Item Weight | 2.82 ounces |
| Product Dimensions | 1.6 x 1.2 x 0.12 inches |
| Item model number | HERNAS-UID20key |
| Material | ABS |
| Shape | Circular |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** HENAXSAD
- **Color:** Blue
- **Power Source:** Battery Powered
- **Compatible Devices:** 13.56MHz RFID readers, writers, and door access control systems
- **Item dimensions L x W x H:** 1.6 x 1.2 x 0.12 inches

## Images

![HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A - Image 1](https://m.media-amazon.com/images/I/51vSdPJC3mL.jpg)

## Frequently Bought Together

- HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A
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**Shop now:** [https://www.desertcart.pe/products/600199639-hernas-20pcs-rewritable-uid-smart-key-fobs-premium-13-56mhz](https://www.desertcart.pe/products/600199639-hernas-20pcs-rewritable-uid-smart-key-fobs-premium-13-56mhz)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-02-03*