QI 9V wireless fast charge tester

Input voltage: 4.50-24.00V
Input current: 0-3A
Capacity measurement range: 0-99999mAh
Power measurement range: 0-99999mWh
Load impedance measurement range: 1.5Q- 999.92
Temperature measurement range: -10C ~100"C/0°F~200"F
Screen brightness setting: 0-5 total 6 levels
Voltage curve range: 4.5V-24.0V
Product size: 74.5*31.9*9mm
Display screen: 1.44 inch color LCD display
Product weight: 118g
Voltage measurement resolution: 0.01V
Current measurement resolution: 0.001A
Voltage measurement accuracy: ± (0.2% + 1 word)
Current measurement accuracy: soil (0.8%+3 words)
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: 0.00A-3.00A
Fast charge recognition mode: QC2.0/QC3.0
Refresh rate: 2Hz

①: USB input port
②: Android input port
③: Type-C input port
④: Function button 1
⑤: Independent power supply port
⑥: Function button 2
⑦: Load switch
⑧: current fine pick
⑨: USB output port
10: Current coarse adjustment
11: Type-C output port
12: Function button 3

13: Function button 4