---
product_id: 293743005
title: "RT250KIT"
brand: "klein tools"
price: "S$75"
currency: SGD
in_stock: true
reviews_count: 13
category: "Klein Tools"
url: https://www.desertcart.sg/products/293743005-rt250kit
store_origin: SG
region: Singapore
---

# Dual-range voltage detection 12-1000V AC Clear backlit LCD readout Integrated independent flashlight RT250KIT

**Brand:** klein tools
**Price:** S$75
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Up Your Safety Game with Klein’s Ultimate Voltage Test Kit!

## Quick Answers

- **What is this?** RT250KIT by klein tools
- **How much does it cost?** S$75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/293743005-rt250kit)

## 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

- • **Next-Level Safety:** Patent-pending open neutral and ground detection catches hidden wiring faults before they become hazards.
- • **GFCI Trip Time Display:** Know exactly how fast your GFCI devices respond with real-time trip time readouts for smarter troubleshooting.
- • **Work Anywhere, Anytime:** Built-in flashlight operates independently to illuminate dark workspaces—no extra tools needed.
- • **Instant Voltage Clarity:** Large backlit LCD delivers precise voltage readings and wiring diagnostics at a glance.
- • **Dual-Range Voltage Detection:** Versatile non-contact tester covers low to high voltage (12-1000V AC) for all your residential and commercial needs.

## Overview

The Klein Tools RT250KIT combines a non-contact voltage tester and a GFCI receptacle tester with a large backlit LCD, dual-range voltage detection (12-1000V AC), and an integrated flashlight. It identifies common wiring faults including open neutral and ground, displays GFCI trip times, and comes complete with batteries and a carrying case—making it an essential, professional-grade electrical test kit for homeowners, electricians, and DIYers seeking fast, reliable diagnostics and enhanced safety.

## Description

Klein Tools Premium Electrical Test Kit (Cat. No. RT250KIT) includes an electrical receptacle tester with LCD and a non-contact voltage tester with flashlight. The electrical receptacle tester (Cat. No. RT250) tests the wiring conditions at an electrical outlet and inspects GFCI devices. The LCD displays the voltage, identifies the wiring fault, and the time required to trip a GFCI device. It is designated for use with North American 3-wire 120V electrical outlets. The non-contact voltage tester with flashlight (Cat. No. NCVT3P) has dual-range detection from 12 to 1000V AC or 70 to 1000V AC for a broad variety of low-voltage or standard voltage applications. The bright flashlight can be used independent of, or with the voltage detection function.

Review: A Must-Have Electrical Test Kit for Homeowners, Home Buyers, and DIY Wiring Projects - The Klein RT250KIT is one of those electrical testing kits that every homeowner, DIYer, or electrician should have available. It combines two of the most useful electrical troubleshooting tools into one package: a non-contact voltage tester and a receptacle/GFCI tester. Together they make it easy to quickly verify wiring and identify common electrical problems. I've found this kit especially valuable when evaluating a new home or working on electrical projects. When buying a house, it's a quick way to check outlets throughout the property and identify issues such as open grounds, reversed polarity, or improperly wired receptacles. It's amazing how many small wiring problems can be discovered in just a few minutes with a tester like this. The receptacle tester is simple to use and provides clear results on the LCD display. The GFCI test function allows you to verify that protected outlets are operating correctly, which is something every homeowner should check periodically. The built-in flashlight is also surprisingly useful when working in dim utility rooms, garages, attics, or breaker panel areas. The non-contact voltage tester is equally handy. Whether replacing switches, installing fixtures, troubleshooting outlets, or simply verifying that a circuit is de-energized before beginning work, it's a tool I reach for constantly. The ability to quickly check for the presence of voltage without making direct contact adds an extra layer of convenience and safety. As expected from Klein Tools, the build quality is excellent. Both testers feel durable, the controls are straightforward, and the kit is easy to keep in a toolbox or utility drawer. The combination covers many of the most common residential electrical testing needs without requiring expensive equipment or specialized knowledge. If you're purchasing a home, remodeling a room, replacing outlets, upgrading switches, or performing general electrical maintenance, this kit is an excellent investment. It provides fast answers, helps identify wiring issues before they become bigger problems, and gives peace of mind when working around household electrical systems.
Review: Fantastic tool to have - This combo of small tools is a must have for homeowners. It can save you time, trouble and money.

## Features

- CLEAR LCD READOUT: GFCI Receptacle Tester features a large backlit LCD readout for easy voltage reading and clear indication of wiring conditions
- TRIP TIME DISPLAY: LCD readout shows the time required to trip a GFCI device, allowing for quick and accurate troubleshooting
- DETECT COMMON WIRING FAULTS: Detect and identify common wiring faults, ensuring electrical safety and proper functionality of GFCI receptacles
- PATENT-PENDING OPEN NEUTRAL and OPEN GROUND DETECTION: Innovative detection system identifies Open Neutral and Open Ground wiring faults, enhancing safety measures
- DUAL-RANGE NON-CONTACT VOLTAGE TESTER: Cat. No. NCVT3P detects voltage from 12 to 1000V AC or 70 to 1000V AC, suitable for various low-voltage or standard voltage applications
- INTEGRATED FLASHLIGHT: Separate flashlight function can be used independently of the NCVT for illuminating workspaces
- COMPLETE KIT: The kit includes Cat. No. RT250 GFCI Receptacle Tester, Cat. No. NCVT3P Non-Contact Voltage Tester, carrying case, detailed instructions, and all the required batteries

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08YDFQ2FV |
| Best Sellers Rank | #1,301 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Voltage Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | orange |
| Customer Reviews | 4.8 out of 5 stars 1,918 Reviews |
| Global Trade Identification Number | 00092644693502 |
| Included Components | RT250: Electrical Receptacle Tester with LCD; NCVT3P: Non-Contact Voltage Tester |
| Item Dimensions | 9.13 x 5.13 x 2.75 inches |
| Item Type Name | Receptacle Testers |
| Item Weight | 0.62 Pounds |
| Item dimensions L x W x H | 9.13 x 5.13 x 2.75 inches |
| Manufacturer | Klein Tools |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 12 Volts |
| Model | RT250KIT |
| Part Number | RT250KIT |
| Power Source | 4 X Aaa |
| Specification Met | Iec |
| Style | Outlet Tester Kit |
| Style Name | Outlet Tester Kit |
| UPC | 092644693502 |
| Unit Count | 1.0 Count |
| Warranty Description | See Manufacturer Website |

## Product Details

- **Brand:** KLEIN TOOLS
- **Color:** orange
- **Item Weight:** 9.87 ounces
- **Power Source:** 4 X Aaa
- **Style:** Outlet Tester Kit

## Images

![RT250KIT - Image 1](https://m.media-amazon.com/images/I/61WaBlkJfxL.jpg)
![RT250KIT - Image 2](https://m.media-amazon.com/images/I/61-7bGgPckL.jpg)
![RT250KIT - Image 3](https://m.media-amazon.com/images/I/61dwTvFixLL.jpg)
![RT250KIT - Image 4](https://m.media-amazon.com/images/I/71pCc8eHWUL.jpg)
![RT250KIT - Image 5](https://m.media-amazon.com/images/I/61WyhypRZpL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ A Must-Have Electrical Test Kit for Homeowners, Home Buyers, and DIY Wiring Projects
*by E***X on June 8, 2026*

The Klein RT250KIT is one of those electrical testing kits that every homeowner, DIYer, or electrician should have available. It combines two of the most useful electrical troubleshooting tools into one package: a non-contact voltage tester and a receptacle/GFCI tester. Together they make it easy to quickly verify wiring and identify common electrical problems. I've found this kit especially valuable when evaluating a new home or working on electrical projects. When buying a house, it's a quick way to check outlets throughout the property and identify issues such as open grounds, reversed polarity, or improperly wired receptacles. It's amazing how many small wiring problems can be discovered in just a few minutes with a tester like this. The receptacle tester is simple to use and provides clear results on the LCD display. The GFCI test function allows you to verify that protected outlets are operating correctly, which is something every homeowner should check periodically. The built-in flashlight is also surprisingly useful when working in dim utility rooms, garages, attics, or breaker panel areas. The non-contact voltage tester is equally handy. Whether replacing switches, installing fixtures, troubleshooting outlets, or simply verifying that a circuit is de-energized before beginning work, it's a tool I reach for constantly. The ability to quickly check for the presence of voltage without making direct contact adds an extra layer of convenience and safety. As expected from Klein Tools, the build quality is excellent. Both testers feel durable, the controls are straightforward, and the kit is easy to keep in a toolbox or utility drawer. The combination covers many of the most common residential electrical testing needs without requiring expensive equipment or specialized knowledge. If you're purchasing a home, remodeling a room, replacing outlets, upgrading switches, or performing general electrical maintenance, this kit is an excellent investment. It provides fast answers, helps identify wiring issues before they become bigger problems, and gives peace of mind when working around household electrical systems.

### ⭐⭐⭐⭐⭐ Fantastic tool to have
*by A***N on April 28, 2026*

This combo of small tools is a must have for homeowners. It can save you time, trouble and money.

### ⭐⭐⭐⭐⭐ Easy to use
*by M***T on May 13, 2026*

Like most Klein products, easy to use, good functionality. I chose this one for the storage case. Fits well in my hand. Using it to identify which outlets go to which breakers. Easy to read, features I was looking for. Excellent for DIY beginners

## Frequently Bought Together

- Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester with LCD and Flashlight, Voltage Electrical Test Kit
- Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411
- Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder & 80041 Outlet Repair Tool Kit & RT250 GFCI Receptacle Tester. Electrical Tools Storage Organizer Holder Bag (Box Only)-Orange

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-14*