Plug Outlet Finder™

The Mastech circuit breaker tester identifies circuit breakers on energized electrical systems.
Automatic sensitivity adjustment and automatic polarity selection remove ambiguity about readings. The tester indicates the presence of a circuit breaker with a buzzer and an indicator light.
The tester includes a transmitter, which is plugged into an electrical outlet, and a receiver, which is powered by a 9V battery.

The Plug Outlet Finder™ is a preferred solution for the latest in code requirements. Identify circuit breakers fast and efficiently. Quick and easy to use and extremely accurate readings. Always find the right breaker!


The device works on powered systems from 90 to 250V AC and is suitable for home, office, residential and light commercial environments.

The Plug Outlet Finder™ green LED lamp will light up automatically to indicate low voltage existence; the yellow to indicate moderate voltage; the red to indicate high voltage, ensuring your safety, helping you work in dark environments.

Brand: Mastech
Model: MS5902
Material: ABS
Color: Black + Green
Receiver Power Supply: 1 x 9V Battery (Not included)
Receiver Size: 20*3.8*5cm / 7.9*1.5*2.0in
Socket Tester: 6.3*7*5.5cm / 2.5*2.8*2.2in
Packet Weight: Approx 298g / 10.5oz

Package Includes:
1 x Plug Outlet Transmitter
1 x Plug Outlet Receiver
1 x English Manual

50% OFF

Be Quick To Take Advantage Of This Sale!
We have a limited quantity available.


How soon will I receive my order?

Our Team is working 24/7 to get your orders to you as fast as possible. Each order is processed within 24-48 hours. Due to the high demand for promotion items, please allow up to 2-3 weeks for your Plug Outlet Finder™ to arrive at your doorsteps.

Where does this ship from?

Our warehouses are located all around the world, so we can ship your product to you in the fastest possible way from the closest location.

How can I track my order?

As soon as we process your order, you will automatically receive a tracking code via email. It will include instructions and a web link so you always know the status of your order.

100% Money Back 30 Days Guaranteed by
If something is wrong with your order, you can quickly contact our helpful customer service team to get a refund.
We have a 24/7/365 Ticket and Email Support.
Please don't hesitate to contact us if you need assistance.
Simpler-Days Product Description Footer Logo


For more information,
please visit the links below:
1. COVID-19 Shipping Updates
2. Shipping Policy