Item Descriptions:

color:

tester

To our customers: If this product is warranted for one year, if there is any initial disadvantage or any opinion or problem please do not hesitate 【Account service】 → [Order history] → [Contact the seller] Please contact us

Thank you.

USB is not recognized ... The smartphone is not charged ... what exactly is the problem

What?

We can solve such questions, COOWOO for duplex insertion

USB

current voltage

checker

It will appear glittering!

I do not know whether the USB device side is bad or there is a problem with the power supply capacity of the USB port of the personal computer when it does not work even if you connect the USB device.

In that case, if you check the output, you can easily understand the situation.

Although there is output from the personal computer, if it does not work when connecting the cable etc, it can be judged as a defect such as cable breakage.

USB current voltage checker

, The best combination of cable, battery etc!

Performance may change greatly with a combination of mobile battery, USB charger, and cable to charge smartphones and tablets.

I can not confirm the output side capability, the voltage that can be flown by the cable, etc, but I can check with the numerals clearly using this measuring instrument.

Have you ever felt that charging speed is different depending on the USB port or cable you use?

Or are you concerned about the operation of the USB battery?

With this USB doctor, it is possible to measure the voltage and current value from the port.

Key button long press: all reset

(When you press and hold the mode changeover button at the top, their values ​​are reset,

Start measuring from 0 newly.

Key button short press

1 time: Switch information display screen

Please do the following operation on the screen where "Electric" is displayed.

2 times: Ah reset

3 times: Wh reset

4 times: Reset the count up timer

5 times: Timer setting mode (1 - 24 h / AUTO / Always ON) → missed mode with no operation for several seconds

6 times: language switching (Chinese / English)

Voltage: 3-30 V (Accuracy: 0.01 V)

Current: 5.1 A (Accuracy: 0.01 A)

Capacity: 0 - 99999 mAh (Accuracy: 0.001 Ah)

Power consumption: 0 - 9999999 mWh (Accuracy: 0.001 Wh)

Time: 0 - 999 h 59 min 59 s (Accuracy: 1 s)

Power: 0-299.999 W (Accuracy: 0.001 W)

Temperature: 0 - 80 ° C

Resistance: 1-999.99 Ω

【Notes】

Since this product plays a role of an information measuring device such as current voltage simply, it does not change the power feeding speed to the device.

Thank you for your understanding.

※ Please refrain from using important communication equipment and equipment to exchange large amounts of data

* Be sure to back up the various memory of the connected device before use.

Before installing ※ Please take dust and dust attached to the equipment body well.

If it is attached with dust, there is a risk that the main body will be scratched.

※ Please be careful when dropping, etc. when installing or removing.

* It is not adjusted to the current value / voltage value that exceeds the charger's performance or the device's requirement.

※ Product size and weight are all measured, so there may be some errors depending on the product.

* It may differ slightly from the color of the real thing due to the lighting of the photography and the adjustment of the image processing.

Please note on your purchase beforehand.

* The appearance and specifications of the product described on this site may be changed without prior notice due to development or improvement.

【Package Contents】

1X COOWOO USB current voltage checker

If you have any problems with the product, please contact us.

We will correspond as quickly as possible.

※ Japanese trademark registration number: 51601422500. Please note that if you purchase from other than Decolighting Japan, product specifications will differ.

Features:

• Please enter model number Confirm this is compatible:
• This product is the latest specification USB checker that can measure up to 5.1 A of current up to voltage 30 V corresponding to Quick Charge 2.0 or 3.0 of rapid charging standard which is becoming popular recently.
• Just by connecting USB devices, you can see the voltage value and current value at a glance.
• Please note that if you purchase from other than Decolighting Japan, product specifications will differ.
• Because it is a convenient double-sided plug type USB connector, it is OK either face upwards or face downwards!
• It is easy to use.
• Power / capacity / time / watt / simultaneous display, grasp the voltage and current situation.
• It also comes with intelligent breakdown mode, ensuring safety for mobile batteries, iPhones and Android smartphones.
• With compact design, you can easily carry it anywhere.
• Since the decoupling memory function is attached, data can be recorded when disconnecting.
• In addition to voltage and current, power (voltage × current) and elapsed time, current amount mAh (charge capacity) are also calculated and displayed in real time.
• You can switch the display by pressing the mode change button KEY at the top.
• Press the Key button for a short time and switch the information display screen once.
• Press and hold for data reset.
• When you push the button six times, it will become a bit and change the Chinese / English display.
• Measurement range: voltage U = 3-30 V, current I = 0 - 5.1 A.
• Fast charge QC 2.0 / QC 3.0 / BC 1. 2 / MTK - PE / iphone 2.4 A supported.
• Decolighting Japan's USB voltage current tester is provided with Japanese instructions and December security guarantee

Product information:

Shipping Weight: 40 g

Package Dimensions: 2.69 x 9.70 x 13.21 cm