RED LED DIGITAL DISPLAY VOLTMETER MINI VOLTAGE METER VOLT IN PAKISTAN

this product is fully functional, you can display the battery voltage, battery power, you can also plug directly into the phone or other 5V equipment charging.This product is suitable for all kinds of outdoor power, mobile power, instrumentation and other equipment additional battery power voltage display and additional USB to charge the phone and other functions.this product uses synchronous rectification step-down chip scheme, low heat, energy saving and environmental protection.This product is compact in structure, making full use of space and reducing costs.