
KAIWEETS
KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit
Disclosure: We may earn a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Learn more
Highlights
- All-in-One Circuit Diagnosis: KT301P circuit breaker finder Easily locate breakers, check outlet wiring, and test GFCI protection—all with one compact tool. Combines a Circuit Breaker Finder, Outlet Tester, and GFCI Tester for fast, reliable troubleshooting on North American 120V AC circuits in residential or commercial settings
- Large LCD Screen with Backlight: Displays real-time voltage (30–150V), outlet wiring status, and signal strength for faster, more intuitive diagnostics. Backlit indicators make it easy to read in dimly lit breaker panels or tight spaces. Clear visuals eliminate guesswork, making it ideal for professionals and DIYers working with complex circuit breaker panels
- GFCI Outlet Tester: The transmitter doubles as a GFCI outlet tester, featuring an automatic trip testing function. Red/green LED indicators provide clear visual feedback, while the large LCD screen displays detailed wiring conditions to accurately diagnose 7 common wiring faults. The auto-hold function retains the latest outlet test results and voltage reading even after unplugging
- Non-Contact Voltage Test: The receiver includes a Non-Contact Voltage Test function, which detects nearby voltage sources quickly and safely. This added feature allows you to locate live circuits without direct contact, enhancing safety and providing a comprehensive testing solution
- Complete Accessory Kit and Carrying Case: This Circuit Breaker Finder kit includes essential accessories like a 3-prong to 2-prong adapter, light socket adapter, and alligator clip adapter for increased compatibility. The durable carrying case keeps your device and accessories organized, secure, and portable, making it convenient for on-the-go professionals
Why You'll Love It
- Locate breakers, test GFCI protection, and check wiring using a single compact tool
- Read live voltage, signal strength, and wiring conditions clearly on a backlit LCD
- Detect 7 common wiring faults with visual LED indicators and LCD readouts
- Retain your latest voltage and outlet readings automatically after unplugging the tester
- Identify live electrical circuits without touching wires using the non-contact receiver function
- Connect to various fixtures using the included socket adapter, 2-prong adapter, and alligator clips
Pros
- +Multifunctional breaker finder and GFCI tester
- +Backlit LCD shows real-time voltage
- +Auto-hold retains readings after unplugging
- +Built-in non-contact voltage detection
- +Carrying case and multiple adapters included
Cons
- -Designed only for North American 120V AC circuits
- -Listing does not state receiver battery type
Detailed Review
The KAIWEETS KT301P circuit breaker finder combines circuit tracing, outlet wiring analysis, and GFCI testing into a single kit. Built for residential and commercial electrical tasks, it helps electricians and DIY homeowners identify specific breakers, verify circuit safety, and troubleshoot North American 120V AC lines without jumping between multiple separate tools.
A major highlight is the large backlit LCD screen on the transmitter. It displays real-time voltage between 30V and 150V, signal strength, and wiring status, making it easy to read inside dim breaker panels or shadowy utility closets. The transmitter also serves as a dedicated outlet tester capable of diagnosing 7 common wiring faults, using red and green LED lights alongside the screen readout. With its auto-hold capability, you can inspect an outlet and review the voltage and fault results even after removing the unit from the plug.
For safety and versatility, the receiver features a non-contact voltage test to quickly locate live lines without making direct electrical contact. The included accessory bundle expands its use across different fixture types. You get a light socket adapter, a 3-prong to 2-prong adapter, and an alligator clip adapter, all stored in a durable carrying case for organized transport.
In terms of limitations, this tool is strictly designed for standard North American 120V AC systems and cannot be used on higher voltage commercial circuits. Additionally, the manufacturer does not specify the battery requirements or battery life for the receiver, so you may need to check the manual upon arrival to see what power source is required.
Verdict: The KAIWEETS KT301P is a reliable, feature-packed diagnostic kit for anyone regularly mapping panels or checking receptacle wiring on standard 120V systems. It delivers clear visual feedback and practical adapters that make electrical troubleshooting straightforward and efficient.
Who Should Buy It
A great fit if you:
- Need to identify breakers in residential or commercial 120V panels
- Want an outlet tester that diagnoses 7 wiring faults and tests GFCI trips
- Work in low-light basements or panels and need a backlit display
- Prefer having light socket and alligator clip adapters included in one kit
Consider something else if you:
- Work primarily on circuits outside the North American 120V AC standard
- Need an electrical tester for high-voltage industrial systems beyond 150V
FAQ
What voltage range does the display support?
The LCD screen displays real-time voltage readings ranging from 30V to 150V on North American 120V AC circuits.
Does the tester save readings after being unplugged?
Yes, the transmitter includes an auto-hold function that keeps the latest outlet test results and voltage measurement visible on the screen after you unplug it.
What adapters are included in the kit?
The package comes with a 3-prong to 2-prong adapter, a light socket adapter, an alligator clip adapter, and a durable carrying case.
Can this device detect live wires without direct contact?
Yes, the receiver includes a non-contact voltage testing function to identify nearby live circuits safely without touching the wire directly.
Product Details
| Brand | KAIWEETS |
| ASIN | B0FF4RP7PD |






