Sigelei Humvee 215 is a new box mod adopting a sturdy and solid design. Powered by dual 18650 batteries, Sigelei Humvee can also be charged via the USB port. With easy to use button & 0.66 ” OLED screen, you can enjoy the thick vapor clouds easily by this incredible unit. Humvee is powered by the cutting-edge IFV chipset that releases up to 215W output. The output wattage can be adjustable and is accurate to read on the screen. Sigelei Humvee is made up of zinc alloy, aluminum alloy, and resin materials. Based on the ergonomic design, Humvee showcases the best hand feeling and a comfortable grip.