Home > LCD Module > Meter & Tester > UM24 for APP USB 2.0 Color LCD Display Tester Voltmeter Ammeter Battery Capacity Tester Voltage Current Meter Cable Resistance Tester

UM24 for APP USB 2.0 Color LCD Display Tester Voltmeter Ammeter Battery Capacity Tester Voltage Current Meter Cable Resistance Tester

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UM24 is a multifunctional USB test meter.It can test and display voltage/current/power/capacity/energy detection,fast charging identification,data storage, etc.

1>. 1.44-inch RGB LCD display.
2>. Adjustable multi-angle view.
3>. intelligent and convenient.
4>. Mini size.
5>. Universal USB interface.
6>. sandwich design.

1. UM24 is no communication version (Type A), UM24C is conmmunication version by bluetooth connection(Type B).
2. PC software support PC window (Win 7 and above) and Phone Android (Android 5.0 and above, support 3 kinds language, chinese, english and Russia)
3, User manual, PC software installation instruction and PC software and Android APP download link:
4, For Android APP:
1) It only support android 5.0 and above.
2) Allow APP self-starting.
3) Allow stay after screen locked, not cleaned


No. Parameter Value
1 Product Model UM24
2 Voltage measurement range 4.50-24.00V
3 Voltage measurement resolution 0.01V
4 Voltage measurement accuracy +/-(0.2%+1 digit)
5 Voltage graphing range 04.5-24.0V
6 Current measurement range 0.000-3.000A
7 Current measurement resolution 0.001A
8 Current measurement accuracy +/-(0.8%+3 digit)
9 Current graphing range 0.00A-3.00A
10 Capacity accumulation rannge 0-99999mAh
11 Energy sccumulation range 0-99999mWh
12 Load impedance range 1.5-9999.9ohm
13 Temperature range -10~100Celsius/0~200Fahrenheit
14 Temperature measurement error +/-3Celsius/+/-6Fahrenheit
15 Screen brightness setting 0-5 level
16 Auto screen off time 1-9mins
17 Time measurement range 0-99h59min59s
18 Data Storage 10 Groups
19 Quick charge recognition mode QC2.0 QC3.0
20 Display screen 1.44 Inch color LCD display
21 Refresh rate 2Hz
22 Product size 71.2mmx31.8mmx11.3mm

1>. Display Voltage
2>. Display Current
3>. Display Power
4>. Display Capacity
5>. Display Energy detection
6>. Display Fast charging identification
7>. Data storage

Use Manual:
1>. Connect to USB equipment;
2>. Press any key for 3second to set system language.It is support Chinese and English.
3>. Press button to select display.

1>. Test power bank
2>. Test charger
3>. Test discharge load
4>. Test tablet
5>. Test cell phone
6>. Test USB equipment

Frequency asked questions:
1>. Can it communicate with the PC??
Q : No, it can not.
2>. Does it have supporting software??
Q : No, it does not have.It can be used directly.



1. Tested by ICStation's Outstanding Partner Electorials:

2. Tested by ICStation's Outstanding Partner One Up The Sleeve Customs:

Learn More Details in the Video:
(The language in the video is English)


3. Tested by ICStation's Outstanding Partner arduinoLab:

Learn More Details in the Video:
(The language in the video is Russian)

4. Tested by ICStation's Outstanding Partner sjm4306:

Learn More Details in the Video:
(The language in the video is English)


5. Tested by ICStation's Outstanding Partner 12voltvids:

Learn More Details in the Video:
(The language in the video is English)


6. Tested by ICStation's Outstanding Partner MakerTutor:

Learn More Details in the Video:
(The language in the video is English)

There are currently no product reviews.

First we should say that ICStation doesn't accept any form of pay on delivery.Items used to be shipped after receiving the order info and payment.

1) Paypal Payment

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2) West Union


We know that some of you do not have the Paypal account. 

But please take it easy. You can use West Union payment method.
Learn more at West Union at
For the receiver info, please contact us at
3) Bank Transfer / Wire Transfer / T/T

Bank Transfer / Wire Transfer / T/T payment methods are accepted for orders which the total price is up to US$500. The bank will charge about US$60 for the transfer fee if we do the payment in these ways. 

For other payment method, please contact us at for more details.

1. Yanwen / YunExpress / 4PX / China Post Airmail Service

(1) Due to the high risk of package lost recently, we have to stop using the free shipping way these days. Hope for your kind understanding! And the $5 is for tracking number and delivery insurance ^0^ Enjoy order from us. 

Free Shipping for all orders over $20 ^0^ (with free tracking number and delivery insurance fee)

(2) Shipping time 
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location. 

7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

2. DHL/FedEx Express

(1)Shipping Fee: Free for the order which meet the following requirements
Total price of the order >= 200USD or Total weight of the order >= 2.2KG

When the order meets to one of the above requirement, it will be shipped for FREE via EMS/DHL/UPS Express to below country. 
Asia: Japan , South Korea , Mongolia . Malaysia , Singapore , Thailand , Vietnam , Cambodia , Indonesia , Philippines 
Oceania: Australia , New Zealand , Papua New Guinea 
Europe& America: Belgium, Britain, Denmark, Finland, Greece, Ireland, Italy, Luxembourg, Malta, Norway, Portugal, Switzerland, Germany, Sweden, France, Spain, USA, Austria, Canada
Note: Shipping Fee to other countries, please contact

(2) Shipping Time & Delivery Time

Shipping time: 1-3 days
Delivery time: 5-10 working days (about 1-2 weeks) to most of countries. 

Because the package would be returned to the sender if it had not been signed by the receiver , please pay attention to the arriving time of the package. 


1) APO and PO Box Addresses

We strongly recommend that you provide a physical address for order delivery. 
Because that DHL and FedEx are unable to deliver items to APO or PO BOX addresses. 
2) Contact Phone Number
Receivers' contact phone number is required by express shipping agency for the package delivery. Please provide us with your latest phone number.

3. Note
1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed. 
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc. 
3) Once your order is shipped, you will receive an email notification from
4) Track the order which with tracking number via below links:

YunExpress / Yanwen / China Post:


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UM24 for APP USB 2.0 Color LCD Display Tester Voltmeter Ammeter Battery Capacity Tester Voltage Current Meter Cable Resistance Tester