---
product_id: 281802034
title: "Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45"
brand: "klein tools"
price: "€ 67.96"
currency: EUR
in_stock: true
reviews_count: 5
category: "Klein Tools"
url: https://www.desertcart.ie/products/281802034-klein-tools-voltage-tester-ac-voltage-and-dc-voltage-tester
store_origin: IE
region: Ireland
---

# 24-240V AC range No batteries needed Built-in lead holder Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45

**Brand:** klein tools
**Price:** € 67.96
**Availability:** ✅ In Stock

## Summary

> ⚡ Test smarter, not harder — power up your toolkit with Klein’s battery-free voltage tester!

## Quick Answers

- **What is this?** Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 by klein tools
- **How much does it cost?** € 67.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/281802034-klein-tools-voltage-tester-ac-voltage-and-dc-voltage-tester)

## Best For

- klein tools enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Durability:** Withstands drops up to 9.9 feet and features IP44 dust and water resistance—built tough for the jobsite hustle.
- • **Battery-Free Power:** Powered by the applied voltage itself—no batteries means zero downtime and eco-friendly reliability.
- • **Smart Lead Management:** Integrated test lead holder ensures perfect spacing for tamper-resistant outlets and neat storage, so you’re always ready to work.
- • **Versatile Voltage Range:** Accurately tests AC voltages from 24V to 240V and DC voltages from 32V to 330V, covering all your residential and light commercial needs.
- • **Pocket-Ready Convenience:** Compact design with a secure pocket clip keeps your tester accessible and hands-free, making it the ultimate everyday carry tool.

## Overview

The Klein Tools ET45 Voltage Tester is a compact, battery-free device designed for quick and reliable AC/DC voltage testing from 24V to 330V. Featuring a built-in lead holder for tamper-resistant outlet testing and rugged IP44-rated durability, it’s engineered for professionals who demand precision and convenience on the go.

## Description

Klein Tools ET45 is an Electronic Voltage Tester. Designed as a simple, easy to use tester to check, verify or troubleshoot common residential electrical wiring in electrical outlets, light fixtures, doorbells and more. This tester does not require batteries, and features a pocket clip for convenient carrying. Tests AC voltages from 24V to 240V AC at four useful levels. Tests DC voltages from 32V to 330V at four levels. Built-in test lead holder on back of tester holds the leads in one of two positions: one so that they are spaced correctly to test tamper-resistant US-style outlets and the other for convenient storage of the test leads. Test leads can be docked in the holder for convenient storage. Batteries not required; tester is powered by the applied voltage. Built to withstand a 9. 9-Foot (3 m) drop. Safety Rating: CATIII 350V, Class 2, Double insulation. Ingress protection IP44 dust and water resistant. Pocket clip secures tester to pocket for reliable everyday carrying. For more than 160 years

Review: It is absolutely necessary and perfect.
Review: works great

## Features

- Tests AC voltages from 24V to 240V AC at four useful levels
- Tests DC Voltages from 32V to 330V At four levels
- Built-in test lead holder on back of tester holds the leads in one of two positions: one so that they are spaced correctly to test tamper-resistant use-style outlets and the other for convenient storage of the test leads

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NZS6DGS |
| Best Sellers Rank | #137,962 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #327 in Voltage Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Multi |
| Colour | Multi |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 1,569 Reviews |
| Global Trade Identification Number | 00092644691843 |
| Included Components | AC/DC Voltage Tester: Tester |
| Item Dimensions | 11.3 x 3 x 2.7 centimeters |
| Item Length | 4.45 Inches |
| Item Type Name | Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed |
| Item Weight | 1.8 Ounces |
| Item Width | 1.19 Inches |
| Item dimensions L x W x H | 11.3 x 3 x 2.7 centimeters |
| Item weight | 1.8 Ounces |
| Manufacturer | KLEIN TOOLS |
| Maximum Operating Voltage | 330 Volts |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 24 Volts (AC) |
| Model | ET40 |
| Power Source | Applied Voltage |
| Power source | Applied Voltage |
| Specification Met | CE |
| Style | 24/240 V |
| Style Name | 24/240 V |
| UPC | 092644691843 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** KLEIN TOOLS
- **Colour:** Multi
- **Item weight:** 1.8 Ounces
- **Power source:** Applied Voltage
- **Style:** 24/240 V

## Images

![Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 - Image 1](https://m.media-amazon.com/images/I/41scTu1+HhL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It is absolutely necessary and perfect.
*by J***S on 7 July 2023*



### ⭐⭐⭐⭐⭐ works great
*by S***D on 6 November 2025*



### ⭐⭐⭐⭐⭐ Small and handy
*by R***N on 23 July 2025*



## Frequently Bought Together

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-21*