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Mini Digital Voltmeter Ammeter DC4.5V-30.0V Voltage Current Meter Tester Detector LED Display 12V For Car motorcycle

Mini Digital Voltmeter Ammeter DC4.5V-30.0V Voltage Current Meter Tester Detector LED Display 12V For Car motorcycle

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Specifications

Brand Name
ZOYI
High-concerned chemical
None
DIY Supplies
Electrical
Origin
Mainland China
Voltage range
6-24V DC
Battery Included
No
Dimensions
48mm/1.87in x 29mm/1.13in x 22mm/0.86in
Display Type
Digital Only
Measuring voltage
DC4.5V-30.0V
12V Voltage meter(optional)
Red light, Yellow light, blue light, green light, white light
Input impedance
> 100k Ω
Working current
Red < 23mA, green < 18mA, blue < 13mA
Refresh speed
about 300ms / time
Display mode
three digit 0.56 LED digital tube display
Lead length
20cm
Working temperature
- 10 ℃ - 65 ℃
Choice
yes
semi_Choice
yes

Product Description

 
 


Features:
1.This is a LED display digital DC voltage meter.
2.Portable and lightweight,easy to carry.
3.Many colors display optional.
4.It has reverse connection protection,reverse connection does not burn.
5.LED display,easy to read at night.

Descriptions:
This is a digital display DC voltage meter for car,motorcycle,battery cart,ship etc.

Specification:
Display color: (optional)
2 Wire:red light
12V Voltage meter:Red light, Yellow light, blue light, green light, white light
2 Wire-red light
Measuring voltage:DC4.5V-30.0V
Maximum input: DC30.0V. Note: if the input voltage is higher than 30V, permanent damage may occur.
Allowable error: ± 1%; when it is greater than or equal to 10V, the error is ± 0.3V; when it is less than 10V, the error is ± 0.10
Input impedance: > 100k Ω
Working current: Red < 23mA, green < 18mA, blue < 13mA
Refresh speed: about 300ms / time
Display mode: three digit 0.56 LED digital tube display
Lead length: 20cm
Working temperature: - 10 ° - 65 °
Size:48mm/1.87in x 29mm/1.13in x 22mm/0.86in
Opening size :46mm/1.79in x 27mm/1.05in
12V Voltage meter
Test accuracy: ± 0.2
Measurement speed: about 2 times per second
Wiring mode: two wires can be connected with positive and negative poles.
Conductor length: 1m
Input voltage: 5-30V
Limit voltage: 30V
Measuring voltage: 5-20V
Product certification: CE / RoHS
Product weight: 30g
Size:57.2mm/2.23in x 29.3mm/1.14in x 11.8mm/0.46in


Package Information:
Package Size:90x40x20mm/3.51x1.56x0.78in
Package weight:29g/1.02oz
Polybag Package

Package included:
1 x Digital Voltmeter

Noted:
1.Please allow 1-2mm errors due to manual measurement.
2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.




Pros & Cons

Pros

  • Compact, lightweight design easy to install in cars and motorcycles
  • Multiple color LED display options for custom visibility
  • Reverse connection protection prevents damage from incorrect wiring
  • Fast ~300ms refresh rate for real-time accurate readings

Cons

  • No internal battery included, requires external vehicle power for operation
  • Only measures DC voltage and current, not AC
  • Limited working temperature range of -10℃ to 65℃, unsuitable for extreme environments
  • 20cm lead length may be too short for large vehicle installations

Common Questions

What materials is this mini digital voltmeter ammeter constructed from?

While explicit material details are not listed, the unit is built from durable, lightweight components designed for automotive and motorcycle use.

What are the physical dimensions of this voltmeter?

It measures 48mm/1.87in x 29mm/1.13in x 22mm/0.86in, making it compact for easy installation in tight spaces like car or motorcycle dashboards.

What vehicles and voltage ranges is this meter compatible with?

It supports DC4.5V-30.0V, is designed for 12V car and motorcycle applications, and includes reverse connection protection to prevent burnout from incorrect wiring.

How do I use this voltage current meter tester?

Connect the included 20cm leads to the vehicle's DC power circuit (observe correct polarity), and the 0.56 LED digital display will show real-time voltage and current readings, with a refresh rate of ~300ms for quick, accurate updates.

What shipping details apply to this product?

This item ships from Mainland China; standard shipping times and carrier options vary by location, so please check the listing for specific delivery window details.

Product information last updated on March 6, 2026