HIGHLIGHTS 650mAh battery 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 Check out the Pulsar DuploCart H2O version! Voltage levels: Green - 2.8V, Blue - 3.2V, Yellow - 3.7V, Red - 4.2V