This variable voltage thick oil vape has all the functionality; 4 heat settings and a 15-second pre-heat function, unique features like a magnetic magazine cartridge loading system, and the ability to fire your cartridges independently or simultaneously for big hits. Put twice the power in your pocket with the new DuploCart from Pulsar. DuploCart Vape Features: Use: Concentrates Dual cart thick oil vape Variable voltage heat settings LED light heat level indicator 15 second pre-heat function Activate carts independently or simultaneously Magnetic cartridge loading system Product level viewing window 650mAh battery Voltage levels: Green - 2.8V, Blue - 3.2V, Yellow - 3.7V, Red - 4.2V