---
product_id: 28592259
title: "Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module"
brand: "royfee electronics"
price: "FREE"
currency: MYR
in_stock: false
url: https://www.desertcart.com.my/products/28592259-royfee-1pcs-12v-hall-tachometer-display-module-stopwatch-speed-counting
store_origin: MY
region: Malaysia
---

# 12V power Pulse counting Stopwatch function Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module

**Brand:** royfee electronics
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Speed Meets Precision: Elevate Your Tracking Game!

## Quick Answers

- **What is this?** Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module by royfee electronics
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/28592259-royfee-1pcs-12v-hall-tachometer-display-module-stopwatch-speed-counting)

## Best For

- royfee electronics enthusiasts

## Why This Product

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

## Key Features

- • **Precision Tracking:** Monitor motor speed with unparalleled accuracy.
- • **Durable Performance:** Built to withstand the rigors of speed detection in various environments.
- • **Upgraded Efficiency:** No need for external power—enjoy regulated DC output for all your sensors.
- • **User-Friendly Design:** Simple installation for quick setup and immediate use.
- • **Versatile Compatibility:** Works seamlessly with mechanical, proximity, photoelectric, and Hall switches.

## Overview

The Royfee 12V Hall tachometer display module is a cutting-edge stopwatch and speed counting solution, designed for motor speed detection and pulse counting. Its versatile compatibility with various switch types and upgraded DC power output makes it an essential tool for professionals seeking reliable performance without the hassle of external power supplies.

## Description

Product Descriptions Purpose: Widely used in motor speed detection, pulse counting, counting speed bike. Module interface: 1.DC +: positive power supply module, 2.DC-: negative power supply module; 3.VCC: sensor supply positive, 4.IN: sensor signal input, 5.GND: sensor supply negative; Input signal: Can be accessed by mechanical switches, proximity switches, photoelectric switches and Hall switch This counter is an upgraded version, with regulated DC power output for sensors work without an external DC power supply. Module method: The Hall sensor obtains a pulse signal, provided on the shaft circumference, glue grain magnet, so that the Hall switch near the magnet, there is an output signal, when the axis of rotation, it will continue to generate a pulse signal output. Note that when you stick the magnet, the Hall sensor sensitive to the magnetic field direction, you can manually close look before you stick the sensor, to be more close a few times, until the digital display speed; if there is no speed display, you can change direction and try again.

## Features

- Provide tracking number tracking
- Widely used in motor speed detection, pulse counting, counting speed bike.
- Can be accessed by mechanical switches, proximity switches, photoelectric switches and Hall switch
- This counter is an upgraded version, with regulated DC power output for sensors work without an external DC power supply.

## Images

![Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module - Image 1](https://m.media-amazon.com/images/I/61riCFcqfhL.jpg)
![Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module - Image 2](https://m.media-amazon.com/images/I/71fXVIORxjL.jpg)
![Royfee - 1PCS 12V Hall tachometer display module Stopwatch speed counting module - Image 3](https://m.media-amazon.com/images/I/61uHUgYqtML.jpg)

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**Shop now:** [https://www.desertcart.com.my/products/28592259-royfee-1pcs-12v-hall-tachometer-display-module-stopwatch-speed-counting](https://www.desertcart.com.my/products/28592259-royfee-1pcs-12v-hall-tachometer-display-module-stopwatch-speed-counting)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-23*