Tesla VW mod kit features:

Dual output mode.
Operates between 3.2V and 5V.
0.6-inch OLED screen
All safety protections against reverse polarity, short circuiting and low voltage and wattage.
510&eGo threading connector
The Tesla VW Mod Includes:

1x Tesla Tesla VW Mod
2x 18650 rechargeable batteries
1x 18650 Charger
1x DCT coil
1x DCT attachment 
1x User guide