The Modefined Sirius 200W Box Mod is a dual 18650 powered box mod with the maximum output of 200W with a classy design, and a temperature control suite. The Sirius is constructed with durable die cast Zinc alloy and the ergonomic chassis design has anodized aluminum faceplates for a premium feel. The Sirius has a four button design with an intuitive mounted display screen that displays the essential factors that vapers need to see. On top of the Sirius are solid stainless steel 510 connector with a spring loaded nickel plated brass pin for optimal conductivity. The Sirius supports Nickel, SS316, Titanium, a TCR mode, and bypass mode. The batteries are housed through the bottom latch door of the Sirius and can be charged via USB. The Sirius 200W by Modefined is definitely a great device to pick up for the pure power and the pleasing aesthetic look!