---
product_id: 127765877
title: "Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed"
brand: "klein tools"
price: "€ 28.13"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.cy/products/127765877-klein-tools-et45-digital-ac-dc-voltage-tester-12-240v
store_origin: CY
region: Cyprus
---

# 24V-240V AC & 32V-330V DC range Bright LED voltage indicators Battery-free, voltage-powered Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed

**Brand:** klein tools
**Price:** € 28.13
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Precision — Test Smarter, Work Faster!

## Quick Answers

- **What is this?** Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed by klein tools
- **How much does it cost?** € 28.13 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/127765877-klein-tools-et45-digital-ac-dc-voltage-tester-12-240v)

## 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

- • **Zero Battery Hassle:** Powered by the voltage itself—no batteries, no downtime, just pure reliability.
- • **Rugged Jobsite Ready:** IP44 splash protection and 9.8 ft drop resistance built for professional durability.
- • **Built-In Lead Holders:** Securely hold test leads for tamper-resistant US outlets—efficiency meets convenience.
- • **Instant Visual Feedback:** Bright LEDs ensure you never miss a voltage reading on the job.
- • **Comprehensive Voltage Range:** Test AC/DC voltages from 24V up to 330V with precision.

## Overview

The Klein Tools ET45 Voltage Tester delivers professional-grade AC/DC voltage testing from 24V to 330V with bright LED indicators and built-in test lead holders. Battery-free operation ensures uninterrupted use, while IP44 ingress protection and drop resistance make it a durable companion for any jobsite. Compact and lightweight, it’s engineered for accuracy and convenience in residential and commercial electrical troubleshooting.

## Description

Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed

## Features

- EXTENSIVE VOLTAGE TESTING: Test AC voltages from 24V to 240V and DC voltages from 32V to 330V across four levels, providing comprehensive electrical testing capabilities
- CLEAR VOLTAGE INDICATION: Bright LEDs illuminate, providing clear indication of voltage type and level, ensuring accurate measurements every time
- BUILT-IN TEST LEAD HOLDERS: Conveniently built-in test lead holders on the back of the meter spaced for testing tamper-resistant US-style outlets and easy storage
- BATTERY-FREE OPERATION: Powered directly by the applied voltage, eliminating the need for batteries and ensuring continuous testing without interruption
- ENHANCED DURABILITY: IP44 ingress protection and 9.8 ft. (3 m) drop protection to meet jobsite demands

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KLEIN TOOLS |
| Power Source | Voltage-powered |
| Style | 24/240 V |
| Color | Orange |
| Item Weight | 1.8 Ounces |
| Item dimensions L x W x H | 4.45 x 1.19 x 1.05 inches |
| Min. Operating Voltage | 24 Volts (AC) |
| Specification Met | CE |
| Measurement Type | Voltmeter |
| UPC | 092644691843 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644691843 |
| Part Number | ET45 |
| Item Weight | 1.8 ounces |
| Product Dimensions | 4.45 x 1.19 x 1.05 inches |
| Item model number | ET40 |
| Is Discontinued By Manufacturer | No |
| Size | One Size |
| Finish | Brushed |
| Material | Plastic Housing, PCB with Electronic Components |
| Pattern | Solid |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Display Style | Analog LED |
| Special Features | Built-in Test Lead Holders on Back of Tester Spaced Correctly to Hold Leads for Testing Tamper-Resistant US-style Outlets |
| Included Components | Tester |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 1 year manufacturer |

## Product Details

- **Brand:** KLEIN TOOLS
- **Power Source:** Voltage-powered
- **Style:** 24/240 V
- **Color:** Orange
- **Item Weight:** 1.8 Ounces

## Images

![Klein Tools ET45 Digital AC/DC Voltage Tester, 12-240V AC, 32-330V DC, LED Illumination, DC Polarity, Auto Off, CATIII 350V-Class 2-Double Insulation, IP44 Dust & Water Resistant, No Batteries Needed - Image 1](https://m.media-amazon.com/images/I/41scTu1+HhL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Electrical Work DIY Must ⚡️
*by T***N on April 2, 2025*

I’m not an electrician. I am a retired tradesmen of the sheet-metal industry, but I do know some electrical work and I pretty much do my own around the house. This is a valuable tool to own to avoid getting shocks and knowing if you have life current or not.

### ⭐⭐⭐⭐⭐ cheap and works great
*by W***. on November 12, 2024*

Its cheap and works. Others complain that the probes aren't long enough. There are plastic covers on them, take them off and then probes are long enough.

### ⭐⭐⭐⭐⭐ Save yourself the Shock!
*by R***N on January 14, 2025*

How many times ahve you been working on a DIY project and wondered is the power on or off? Oh well, let me get to work! and Whammy you got the shock! We've all been there and this will save you, literally and never hurts to be safe!These is SUPER easy to use and while basic, it's a small form factor that is straightforard and simple to operate and a time and shock saver!

## Frequently Bought Together

- Klein Tools ET45 Voltage Tester, AC / DC, and Low Voltage Electric Tester, No Batteries Needed
- NSi Industries TES-2 Voltage Tester, 120 or 240 VAC, Neon
- WGGE WG-015 Professional 8-inch Wire Stripper/wire crimping tool, Wire Cutter, Wire Crimper, Cable Stripper, Wiring Tools and Multi-Function Hand Tool.

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**Shop now:** [https://www.desertcart.com.cy/products/127765877-klein-tools-et45-digital-ac-dc-voltage-tester-12-240v](https://www.desertcart.com.cy/products/127765877-klein-tools-et45-digital-ac-dc-voltage-tester-12-240v)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-23*