Features LCD Display: The USB tester adopts LCD display, real-time detection of voltage, current, power and other data, clear and intuitive, at a glance. Small and Portable: This current and voltmeter is small in size, light in weight, easy to carry, no additional power supply required, and flexible and convenient to use. Advanced Material: The shell of the USB color LCD voltmeter is made of high-quality ABS material, with high strength, good transparency, dust-proof and wear-resistant, and long service life. Exquisite Craftsmanship: USB tester charger detector adopts exquisite SMAT technology, can measure USB power supply devices, and is compatible with QC2.0/QC3.0 fast charging test. Wide Application: This USB power supply voltage and current test meter has a wide range of applications and is suitable for most applications, such as mobile phones, mobile power supplies, tablet computers, and other electronic products. Specification: Shell Material: ABS USB: USB 2.0 Voltage measurement range: 3.2-10V Current measurement range: 0-3A Accuracy: 0.01 Capacity accumulation range: 0-9999mAh Power measurement range: 0-90W Power Supply Range: 0- 999.9wh Optional Color: Black, Blue Size: Approx. 70*25*10mm/2.8*1*0.4inch Weight: Approx. 16g / 0.6oz Package List: 1 x USB Tester Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. Only a USB tester, no other stuff included. Package List