---
product_id: 74292505
title: "125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)"
brand: "hfeng"
price: "RM90"
currency: MYR
in_stock: true
reviews_count: 13
category: "H Feng"
url: https://www.desertcart.com.my/products/74292505-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags-proximity
store_origin: MY
region: Malaysia
---

# Waterproof ABS material Read & writable chip 125KHz secure frequency 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10)

**Brand:** hfeng
**Price:** RM90
**Availability:** ✅ In Stock

## Summary

> 🔐 Unlock smarter, stay connected effortlessly.

## Quick Answers

- **What is this?** 125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) by hfeng
- **How much does it cost?** RM90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/74292505-125khz-t5577-em4305-writable-rfid-keychains-nfc-token-tags-proximity)

## Best For

- hfeng enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Convenience:** Pack of 10 keyfobs designed for offices, apartments, and parks—perfect for managing multiple users.
- • **Durable & Waterproof:** Crafted from ABS waterproof material to withstand daily wear and unpredictable weather.
- • **Seamless Access Control:** 125KHz frequency ensures reliable proximity detection up to 10cm for smooth entry.
- • **Flexible Data Management:** Equipped with T5577/EM4305 chips supporting both reading and writing for versatile use.
- • **Ready for Any Environment:** Includes sturdy metal keyrings and a vibrant blue finish for easy identification and style.

## Overview

This pack of 10 blue RFID keychains features durable, waterproof ABS construction and reliable 125KHz T5577/EM4305 chips that support both reading and writing. Designed for proximity access control with up to 10cm range, these keyfobs come with metal keyrings and are ideal for secure entry in offices, apartments, and public spaces.

## Description

1. Material: ABS waterproof material 2. Colour: blue. 3. Support: Reading, and writable. 4. Working frequency: 125KHz 5. Chip: T5577 / EM4305 6: Quantity: 10 pieces

Review: Did the job - Very inexpensive and did the job perfectly
Review: Not Writing … you can’t write to these, write error! - I could write on these, tried 4 different fobs from the batch keep getting write error. Used the ones I had lying around and I could write the data within a second. Imagine you ordered these T5577 125 low ID/frequency in emergency situation and you couldn’t write anything on them? These were ordered as a contingency measure should the ones at home played up, what a measure, these definitely failed to measure up!

## Features

- 1. Material: ABS waterproof material. Each keyfob has metal keyring.
- 2. Chip: T5577/EM4305 chip. Support: Read, and writable.
- 3. Working Frequency:125KHz. Reading distance is 0-10cm.
- 4. Widely used at apartment, office, park and other places.
- 5. Each keyfob has metal keyring. Package included: 10 pcs keyfob.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DYG5XL7 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 34,956 in DIY & Tools ( See Top 100 in DIY & Tools ) 55 in Home Alarm Systems |
| Colour | Blue |
| Customer Reviews | 3.6 3.6 out of 5 stars (581) |
| Date First Available | 22 Jun. 2018 |
| Finish | Polished |
| Included Components | 10 Keyfobs |
| Installation method | Screw-In |
| Item Package Quantity | 10 |
| Item Weight | 1 g |
| Item model number | T5577KEY |
| Manufacturer | HFeng |
| Material | Acrylonitrile Butadiene Styrene |
| Number of Pieces | 10 |
| Part Number | HFeng |
| Power Source | With electric cable |
| Product Dimensions | 6.5 x 1.8 x 9.5 cm; 1 g |
| Shape | Rectangular |
| Special Features | Fob Unlock |

## Product Details

- **Brand:** HFeng
- **Colour:** Blue
- **Compatible devices:** 125 kHz RFID Reader
- **Item dimensions L x W x H:** 6.5 x 1.8 x 9.5 centimetres
- **Power source:** With electric cable

## Images

![125KHz T5577/EM4305 Writable RFID Keychains NFC Token tags Proximity ID Access Control Key Fob Card for Security Entry System Blue Color (10) - Image 1](https://m.media-amazon.com/images/I/61x5iO8Rr+L.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Did the job
*by D***D on 19 January 2025*

Very inexpensive and did the job perfectly

### ⭐ Not Writing … you can’t write to these, write error!
*by A***R on 11 March 2025*

I could write on these, tried 4 different fobs from the batch keep getting write error. Used the ones I had lying around and I could write the data within a second. Imagine you ordered these T5577 125 low ID/frequency in emergency situation and you couldn’t write anything on them? These were ordered as a contingency measure should the ones at home played up, what a measure, these definitely failed to measure up!

### ⭐⭐⭐⭐⭐ Perfect for copying LF Access Tags
*by R***E on 27 January 2024*

Why pay rip off prices charged by security companies when you can use these to make cheap copies.

## Frequently Bought Together

- HFeng 125KHz T5577 / EM4305 Writable RFID Key Ring NFC Tags Token Proximity ID Access Control Key Fob Card for Security Entry System Blue (10)
- YARONGTECH MIFARE Classic® 1K fobs 13.56MHZ ISO14443A Access Control Tags (pack of 10)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-03-10*