Who can tell me: How about $26.99 Dovpo M VV Mechanical BoxMod?

[Efuntop]

Dovpo M VV Mechanical VV Box Mod is a new product,designed by Dovpo.

Just only $26.99!


Description:
1. Operating Voltage: 6.2V - 8.4V.
2. Output Voltage range: 1.0V - 8.0V.
3. Low Voltage Protection.
4. Overheat Protection.
5. Overtime Vaping Warning.
6. Battery-reversal Protection.
7. Using 2 X 18650 high-drain external battery.
8. 4 LED Indicator Lights
9. Battery Installation : Series .