USB Charger Doctor & 400 kV Step Up Converter

Blue USB Current Tester Detector Ampere Meter 3.5V-7V 0A-3A

Description
Basic parameters:

Name :USB current voltage detector
measuring accuracy :1%
Update Frequency :About 200 ms
Program Display :Alternating current voltage
Voltage measurement range:3.5V-7V
Current measurement range:0A-3A
working current :20mA

COLOUR :Blue
Storage Temperature :- 10 ℃ to + 65 ℃
The pressure drop of the electric meter:200mV
weight:15.4g
overall dimension :52*20*15