Features:_x000D_ _x000D_ Real-time detection of the voltage, current, power and other data will be clear at a glance. _x000D_ Small size, portable to carry, no extra power required. _x000D_ The shell is made of high quality ABS material, high strength, good transparency. _x000D_ Suitable for most applications, such as phone, power bank, pad, other electronic products. _x000D_ Adopt exquisite SMAT technology, can measure USB powered devices and is compatible with the QC2.0/QC3.0 fast charge test. _x000D_ _x000D_ Specification:_x000D_ Shell Material: ABS_x000D_ USB: USB 2.0_x000D_ Voltage measurement range: 3.2-10V_x000D_ Current measurement range: 0-3A_x000D_ Accuracy: 0.01_x000D_ Capacity accumulation range: 0-9999mAh_x000D_ Power measurement range: 0-90W_x000D_ Power Supply Range: 0- 999.9wh_x000D_ Optional Color: Black, Blue_x000D_ Size: Approx. 70*25*10mm/2.8*1*0.4inch_x000D_ Weight: Approx. 16g / 0.6oz_x000D_ _x000D_ Package List:_x000D_ 1 x USB Tester_x000D_ _x000D_ Note:_x000D_ 1. Please allow small size error due to manual measurement. Thanks for your understanding._x000D_ 2. Only a USB tester, no other stuff included.