Specifications:

Job scope: mobile phone charger, (0-2.5 A) detecting the charging current and voltage.
Output range: U = 3 ~ 7.5 V I = 0 ~ 2.5 A
Resolution: voltage 10 mv, current 10 ma
Working temperature: 0-60 ?
Product size: 53 * 35 * 14 mm
Packing: PE bag

Features:

1, this charger can measure the USB power supply equipment's voltage when they are on/off load.
2, current and voltage rotative display, convenient to use.
3, small size, easy to pocket, no power supply.

Product Pictures: