LCD USB detector voltmeter ammeter power capacity tester meter voltage current charger

Package:Yes
Type:Multifunction Network Tester

Features:
1: Regular power off--When it's showing 00:00H on screen, press and hold the button for about 3 seconds and there will be flashing numbers. Press the button for 0.5 second and each time you press the button, it will add 0.5 hour. Then press and hold the button for about 3 seconds to save.
2: Over voltage protection--When it's showing 0.00V on screen, press and hold the button for about 3 seconds and there will be flashing numbers. Press the button for 0.5 second and each time you press the button, it will add 0.5V. Then press and hold the button for about 3 seconds to save.
3: Over current protection--When it's showing 0.00A on screen, press and hold the button for about 3 seconds and there will be flashing numbers. Press the button for 0.5 second and each time you press the button, it will add 0.5A. Then press and hold the button for about 3 seconds to save.
4: When it's showing home screen, press and hold the button for about 3 seconds to clear the stored data.
5: It can be used to find the charging problem of digital devices.
Specification:
Voltage: DC 4V-30V
Current: 0-3.5A
Timing: 0-99 hours
Timing: 0-24 hours
Power: 0-90W
Energy: 0-999.9Wh
Capacity: 0-99999mAh
Internal Resistance: 0-999.99 ohms
Package included:
1 x USB Current Voltage Capacity Tester