For convenient measurement of both voltage and current of a mobile device， you may be in badly need of this USB Charge Current !#!amp!*! Voltage Tester Mobile Power Tester for F036! Having gone through strict test before shipment， this tester ensures  durability and reliability. Sophisticated craftsmanship guarantees its stable and anti-interference performance. Due to its universality， it is highly suitable for cellphone charger， USB flash disk and other products. Would like to have a try?                                    Features             Compact and easy to carry， no additional power supply<br> Current and voltage loop display， easy to use and practical<br> USB charger can detect the target output voltage and current<br> Stable， reliable performance， anti-interference ability， high temperature<br> Convenient measurement of the output voltage of the USB port and the device operating current<br> Measure USB powered devices， load voltage， USB terminal equipment when working voltage<br> Use electricity generation four semi-double loop integral converter IC， with precise range accuracy<br> Can measure USB interface， cell phone charger， U disk and other products or power supply situation   <br>                                                            Specifications             Material     ABS    <br> Color     Blue    <br> Error     Voltage                         Package Includes            1 x Tester<br>