Thanks for choosing VOOPOO.
To provide better service, VOOPOO has been updating our authenticity check system since May, 2018. Therefore, you may find the Code sticker on your VOOPOO in either form as follows. They are both original from VOOPOO.
Please slowly rotate the mark in light.
The "V" will be moving in different viewing angles.
Scratch the silver cover and input the authenticity code.