---
product_id: 147494218
title: "Voltage Tester, AC Voltage, DC Voltage, and DC Polarity, Includes Batteries Klein Tools ET40"
brand: "klein tools"
price: "B/.175"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/147494218-voltage-tester-ac-voltage-dc-voltage-and-dc-polarity-includes
store_origin: PA
region: Panama
---

# AC voltage 12-240V DC voltage 1.5-24V 3m drop resistant Voltage Tester, AC Voltage, DC Voltage, and DC Polarity, Includes Batteries Klein Tools ET40

**Brand:** klein tools
**Price:** B/.175
**Availability:** ✅ In Stock

## Summary

> ⚡ Test Smarter, Work Safer – Never Miss a Voltage Beat!

## Quick Answers

- **What is this?** Voltage Tester, AC Voltage, DC Voltage, and DC Polarity, Includes Batteries Klein Tools ET40 by klein tools
- **How much does it cost?** B/.175 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/147494218-voltage-tester-ac-voltage-dc-voltage-and-dc-polarity-includes)

## 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

- • **Polarity Indicator:** Instantly identifies DC polarity with bright LED indicators, eliminating guesswork and enhancing safety.
- • **Durable & Drop-Resistant:** Engineered to survive 3-meter drops, ensuring longevity on busy job sites and in the field.
- • **Multi-Level Voltage Range:** Covers common residential AC voltages (12-240V) and low to mid DC voltages (1.5-24V) for versatile use.
- • **Precision Voltage Detection:** Accurately tests AC and DC voltages with ±0.5% measurement accuracy for reliable diagnostics.
- • **Ready to Use Out of the Box:** Includes 2 AAA batteries and built-in test lead holders for seamless, hassle-free operation.

## Overview

The Klein Tools ET40 Voltage Tester is a compact, battery-powered device designed for precise AC and DC voltage measurement with ±0.5% accuracy. It supports a wide voltage range (12-240V AC, 1.5-24V DC), features bright LED indicators for voltage type and polarity, and is built to withstand drops up to 3 meters. Lightweight and portable, it comes ready to use with included batteries and convenient test lead holders, making it an essential tool for professionals demanding reliability and efficiency.

## Description

KLEIN TOOLSET40 Voltage Tester, AC Voltage, DC Voltage, and DC Polarity, Includes Batteries, Orange

## Features

- Tests AC voltages from 12V to 240V AC at four useful levels Aligned with commonly used residential voltages
- Tests DC Voltages from 1. 5V to greater than 17 to 24V At four useful levels Aligned with commonly used DC Voltages
- Bright Leds illuminate to indicate the type and level of Voltage detected
- Built to withstand a 9. 9' (3 m) drop
- Indicates polarity when measuring DC Voltages

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Klein Tools |
| Part Number | ET40 |
| Product Dimensions | 13.31 x 3.86 x 2.82 cm; 65.2 g |
| Batteries | 2 AAA batteries required. (included) |
| Item model number | ET40 |
| Size | One Size |
| Colour | orange |
| Style | 12/240 V |
| Finish | Brushed |
| Material | Plastic Housing, PCB with Electronic Components |
| Pattern | Solid |
| Shape | Triangle |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Measurement Accuracy | +/-0.5% |
| Display style | Analog LED |
| Certification | CE |
| Special Features | DC Polarity Indicators for DC Positive, DC Negative, and Both Illuminated for AC. Tests Low DC Voltage to 1.5V. Built in Test Lead Holders on Sides of Tester. |
| Included Components | Electronic Voltage Tester that tests AC Voltage, DC Voltage, and DC Polarity, User Manual, and 2 x AAA Batteries |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Battery description | 2 x AAA |
| Item Weight | 65.1 g |

## Product Details

- **Brand:** KLEIN TOOLS
- **Power source:** Battery Powered
- **Style:** 12/240 V
- **Colour:** orange
- **Item weight:** 2.3 Ounces

## Images

![Voltage Tester, AC Voltage, DC Voltage, and DC Polarity, Includes Batteries Klein Tools ET40 - Image 1](https://m.media-amazon.com/images/I/51i2DA8X-sL.jpg)

## Available Options

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

## Frequently Bought Together

- Klein Tools ET40 Digital AC/DC Voltage Tester, 12-240V AC, 1.5-24V DC, LED Illumination, DC Polarity, Auto Off, CATIII 250V-Class 2- Double Insulation, IP4 Dust and Water Resistant
- Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles
- IDEAL Electrical 45-025 Lil Ripper Stripper Wire Stripper w/ Slitting Blade, V-Notch, Flat Blade Clip

---

## 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.com.pa/products/147494218-voltage-tester-ac-voltage-dc-voltage-and-dc-polarity-includes](https://www.desertcart.com.pa/products/147494218-voltage-tester-ac-voltage-dc-voltage-and-dc-polarity-includes)

---

*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-01*