--- product_id: 281802034 title: "Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45" brand: "klein tools" price: "€ 32.66" currency: EUR in_stock: true reviews_count: 5 category: "Klein Tools" url: https://www.desertcart.hr/products/281802034-klein-tools-voltage-tester-ac-voltage-and-dc-voltage-tester store_origin: HR region: Croatia --- # AC voltage 24V-240V 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:** € 32.66 **Availability:** ✅ In Stock ## Summary > ⚡ Stay powered, stay precise — the tester that works as hard as you do. ## 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?** € 32.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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 & Ready:** Withstands drops up to 9.9 feet and features IP44 dust and water resistance for on-the-go durability. - • **Smart Lead Storage:** Innovative built-in test lead holder doubles as a tamper-resistant outlet tester and neat storage solution. - • **Dual Voltage Mastery:** Accurately tests both AC (24V-240V) and DC (32V-330V) voltages across four precise levels. - • **Pocket-Sized Professional:** Compact design with secure pocket clip keeps your essential tool always within reach. - • **Power Up Without Batteries:** Operates solely on applied voltage—never worry about dead batteries again. ## Overview The Klein Tools ET45 Voltage Tester is a compact, battery-free device designed for professional-grade AC/DC voltage testing from 24V to 330V. Featuring a built-in lead holder for tamper-resistant outlet testing and convenient storage, it offers rugged durability with drop resistance and IP44 protection. Ideal for electricians and DIY pros seeking reliable, portable voltage verification without the hassle of batteries. ## 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. - This voltage tester was a must have for me. I feel more at ease putting my trust in this product than I do a voltage pen, therefore since I lost my previous tester I purchased this affordable one. Absolutely perfect for checking safe isolation and betteries. Very please with this handy pocket tester. Review: Good Klein quality - Good voltage safety tool. ## 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 | #11,442 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #23 in Voltage Testers | | Brand | KLEIN TOOLS | | Brand Name | KLEIN TOOLS | | Color | Multi | | Colour | Multi | | Compatible Devices | Electrical circuits within the voltage range of 24V to 330V | | Country Of Origin | China | | Customer Reviews | 4.5 out of 5 stars 1,638 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 | | Number of Items | 1 | | Part Number | ET45 | | 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/41m2zDMldtL.jpg) ![Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 - Image 2](https://m.media-amazon.com/images/I/510MLUBxbyL.jpg) ![Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 - Image 3](https://m.media-amazon.com/images/I/61qF6YUgi5L.jpg) ![Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 - Image 4](https://m.media-amazon.com/images/I/61D4MWaazYL.jpg) ![Klein Tools Voltage Tester, AC Voltage and DC Voltage Tester, No Batteries Needed ET45 - Image 5](https://m.media-amazon.com/images/I/51fgMrbWbdL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ It is absolutely necessary and perfect. *by J***S on 7 July 2023* This voltage tester was a must have for me. I feel more at ease putting my trust in this product than I do a voltage pen, therefore since I lost my previous tester I purchased this affordable one. Absolutely perfect for checking safe isolation and betteries. Very please with this handy pocket tester. ### ⭐⭐⭐⭐⭐ Good Klein quality *by R***0 on 9 August 2025* Good voltage safety tool. ### ⭐⭐⭐⭐⭐ beau produit *by R***J on 24 December 2025* lecteur facile d'utilisation et très bien fait ## 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. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/281802034-klein-tools-voltage-tester-ac-voltage-and-dc-voltage-tester](https://www.desertcart.hr/products/281802034-klein-tools-voltage-tester-ac-voltage-and-dc-voltage-tester) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-27*