The Aegis X is the successor to the wildy popular Legend mod. This 200 watt device uses two 18650 batteries to deliver high power and long battery life (18650s sold separately). A new, full-color screen has been added for your viewing pleasure. On top of this, the Aegis X is still rated IP67. Waterproof, dustproof, and very durable. If you're looking for a new old reliable, the Aegis X could be it!