Descriptions:
Test charger: Can measure various USB chargers, then insert adjustable constant current load at the output port for current adjustment to test the current and voltage data of the charger.
Test charging treasure capacity.
Test the charging data of various digital devices: Real-time monitoring of mobile phone charging status and protecting mobile phones.
A3 color gold watch can not only directly test a variety of USB devices, plug and test, through Bluetooth can be connected to Android phones, computers, mobile phones, computer APP online control.

Features:
Model: A3-B
Bluetooth: Support
Product weight: 18g
Input voltage: 4.5-24V
Input current:0-3A
Capacity measurement range: 0-99999mAh
Energy measurement range: 0-99999mWh
Load impedance measurement range: 1.5Ω-9999.9Ω
Temperature Measurement Range: -10°C to 100°C/0°F to 200°F
Screen brightness setting: 0-5
Voltage curve range: 4.5V-24V
Voltage measurement resolution: 0.01V
Current measurement resolution: 0.001A
Voltage measurement accuracy: ±0.2%
Current measurement accuracy: ±0.8%
Time measurement range: 0-99 hours 59 minutes 59 seconds
Temperature measurement error: ±3°C/±6°F
Delay off screen time: 0-9 minutes
Current curve range: 0-3A
Fast charge recognition mode: QC2.0, QC3.0
Refresh rate: 2Hz
Product Size: 74.5 x 31.9 x 9mm
Display screen: 1.44 inch color LCD display

Panel description:
1: Multi-function buttons (4 in total)
2: Type-C interface (supports PD fast charging)
3: Micro USB interface
4: USB male interface
5: USB female interface
6: 1.44 inch color LCD display
7: Bluetooth indicator: waiting for pairing - fast blinking, paired connection succeeds from blinking to long bright, after connection the display shows the Bluetooth logo

Packing List:

1 * USB voltage tester with Bluetooth