Joyetech Cuboid 200W Mod $32.99 Having the glossy zinc alloy shell with its premium finish, the Cuboid 200 povides durability and reliability in its one of a kind style. 
Featuring 3  replaceable high-rate cells, it can be powered to 200W. The Cuboid 200 has a 0.96-inch OLED display, supporting VT/VW/TCR modes as well as real-time-clock., perheat and custom logo functions. Meanwhile, it is designed with ungradeable firmware with which you can keep the Cuboid 200 up-to-date.

Features:
200W maximum output with triple cells
Flexible battery cover for easy exchange
Reverse polarity protection and dual circuit protection
Preheat function for advanced vaping
Clear and large OLED screen for easy operation
Firmware upgradeable