13-in-1 USB Tester - Voltmeter, Ammeter, Multimeter JGA-25 To avoid all the loose

To avoid all the loose wiring disasters in your project

Polarization Linear

) 20mm coin cells are popular as they are used in keychain lights

Automatic start of the power module

Using the large capacity filter capacitor

13-in-1 USB Tester - Voltmeter, Ammeter, Multimeter JGA-25 To avoid all the loose13 in 1 measurement: voltage, current, power, battery capacity, impedance, parameters such as temperature, energy and time, etc. It is the perfect device for measuring power flow through a USB port or equivalent setup. Voltage measuring range: 4V ~ 30 V; precision: 0. 01 V Current measuring range: 0. 00A ~ 5. 00 A; precision: 0. 01 A Power cumulative range: 0 ~ 999999 Wh; precision: 0. 001 Wh Capacity range : 0 ~ 999999 mAh, precision: 0. 001 Ah