The AIYI Multifunctional Digital Voltage Tester is a compact electrical testing tool designed for detecting and checking AC and DC voltage. Its pen-shaped design makes it convenient for electricians, technicians, maintenance work and household electrical checks.

Key Features

Detects AC and DC voltage
Testing range: 12–250V
Direct-contact voltage testing
Inductive voltage detection function
Clear digital display
Compact, lightweight pen-style design
Insulated body for safer handling
Easy-to-use control buttons
Convenient pocket clip

Benefits

Quickly checks whether electrical voltage is present
Useful for identifying live wires and electrical faults
Portable design fits easily inside a toolbox or pocket
Suitable for professional and household applications
Multiple testing functions in one compact device

What’s Included

1 × AIYI Multifunctional Digital Voltage Tester Pen
1 × Retail blister package

How to Use

Select the appropriate testing function.
For direct testing, carefully place the tester tip against the electrical contact point.
Use the induction function to detect voltage without directly touching exposed conductors.
Read the detected voltage information on the display.
Test the device on a known live source before and after use.

Compatibility / Applications

Suitable for checking:

Electrical sockets
Switches
Wiring and cables
Household electrical circuits
Electrical appliances
Automotive electrical systems within the supported range
Maintenance and troubleshooting tasks

Care & Maintenance

Keep the tester clean and dry.
Wipe it with a soft, dry cloth after use.
Do not immerse it in water.
Store it away from excessive heat and moisture.
Inspect the body and testing tip before every use.
Do not use the tester if it appears damaged.

Specifications

Brand: AIYI
Product type: Multifunctional digital voltage tester
Model: AY1143-022
Voltage type: AC/DC
Testing range: 12–250V
Functions: Direct testing and inductive detection
Display type: Digital display
Colour: Yellow and black
Packaging: Blister pack
Barcode/SKU: 6009541430226
Quantity: 1 piece

Safety Information

Electrical testing should be performed by a competent person.
Do not exceed the stated 250V maximum range.
Never touch exposed conductors while testing.
Keep fingers behind the protective section of the tester.
Do not use the product in wet or damp conditions.
Always inspect and verify the tester before working on a circuit.
This tester does not replace proper circuit-isolation procedures.
Keep out of reach of children.

FAQs

Can it test both AC and DC voltage?
Yes, it is designed for AC and DC voltage testing within the stated 12–250V range.

Does it offer non-contact detection?
The tester includes an inductive detection function for identifying the possible presence of voltage.

Is it suitable for professional use?
It is suitable for electrical checks and troubleshooting, provided it is used by a competent person and within its rated range.

Does it include batteries?
Battery inclusion and requirements should be confirmed from the physical package before listing.

AIYI Digital Voltage Tester Pen AC/DC 12–250V