---
product_id: 523721481
title: "Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment"
brand: "rengu"
price: "512459₫"
currency: VND
in_stock: true
reviews_count: 1
url: https://www.desertcart.vn/products/523721481-rengu-electrical-tester-pen-inductive-3mm-bit-safe-5-pcs
store_origin: VN
region: Vietnam
---

# High Brightness LED Intelligent Safety Chip 3mm Slot Bit Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment

**Brand:** rengu
**Price:** 512459₫
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Safety Game!

## Quick Answers

- **What is this?** Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment by rengu
- **How much does it cost?** 512459₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/523721481-rengu-electrical-tester-pen-inductive-3mm-bit-safe-5-pcs)

## Best For

- rengu enthusiasts

## Why This Product

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

## Key Features

- • **🔍 Precision Testing:** Experience accurate live wire judgment with a sleek design.
- • **🛡️ Enhanced Safety:** Upgraded chip control for superior security and longevity.
- • **💼 Portable Convenience:** Thoughtful pen clip for easy carrying on the go.
- • **⚡ Multi-Functional Marvel:** Detects line status and performs self-checks effortlessly.
- • **🔋 Battery-Free Operation:** No batteries required, just grab and go!

## Overview

The Rengu Electrical Tester Pen is a multifunctional tool designed for professionals, featuring a 3mm slot screwdriver bit, high brightness LED for easy visibility, and an intelligent safety chip for enhanced security. Weighing only 100g and with a convenient pen clip, it's perfect for on-the-go testing without the need for batteries.

## Description

Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment

## Features

- Slot Bit: The pen head is slot screwdriver bit designed, with the diameter of 3mm, convenient to contact, assemble and disassemble.
- High Brightness: The pen shell is transparent, built in high brightness LED lamp bead, intuitive for testing, makes the measurement easier.
- Multi Function: This inductive voltage test pen can be used for neutral live wire judgment, line on off detection, has self check function.
- Pen Clip Design: This electrical test pen is more convenient to carry around when working, with thoughtful pen clip design.
- High Safety: Adopt intelligent motherboard chip and professionally upgraded chip control program, have higher security and longer service life.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Rengu |
| Part number | Rengu4cxr0f1tqo |
| Item Weight | 100 g |
| Package Dimensions | 14.6 x 9.8 x 3.1 cm; 100 g |
| Item model number | Rengu4cxr0f1tqo |
| Power source type | Battery Powered |
| Batteries Required? | No |

## Images

![Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment - Image 1](https://m.media-amazon.com/images/I/61+6UG8gzgL.jpg)
![Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment - Image 2](https://m.media-amazon.com/images/I/619kIPD1uIL.jpg)
![Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment - Image 3](https://m.media-amazon.com/images/I/51SGntye8YL.jpg)
![Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment - Image 4](https://m.media-amazon.com/images/I/51SkjIHH0VL.jpg)
![Rengu Electrical Tester Pen, Inductive 3mm Bit Safe 5 Pcs Multifunctional Bright Voltage Tester Screwdriver for Neutral Live Wire Judgment - Image 5](https://m.media-amazon.com/images/I/61b7RolD3uL.jpg)

## Customer Reviews

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    Confusing..
  

*by T***S on Reviewed in the United Arab Emirates on 2 December 2023*

It lights green on anything… 🤦🏻‍♂️

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**Shop now:** [https://www.desertcart.vn/products/523721481-rengu-electrical-tester-pen-inductive-3mm-bit-safe-5-pcs](https://www.desertcart.vn/products/523721481-rengu-electrical-tester-pen-inductive-3mm-bit-safe-5-pcs)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-18*