Voopoo Drag 4 Box Mod The Drag 4 Mod is powered by dual external 18650 batteries with 177W max. With the ECO Mode and 5V/3A Type-C fast charging, it features less charging time and more vaping enjoyment. By utilizing the new TC Mode, it can match the 4 heating materials like Ni200, Ti, SS316, and SS430 more effectively and meets the specific need of DIY users. The multi-function switch makes it easy to define the QS lock's function like lock wattage, lock device, and power off. The new UI design allows you to define your style with 4 optional colors. In addition, it also features a replaceable and durable magnetic battery cover. Physical Parameter: Size: 52.4*25.4*89mm Brand: Voopoo Battery: Dual external 18650 batteries (not included) Charging: 5V/3A Type-C fast charging Power Range: 5-177W Output Voltage: 3.2-8.4V Mod Material: Zinc Alloy + Leather + Solid Woody (Resin) Each set contains: 1pc VOOPOO Drag 4 Mod 1pc Type-C Cable 1pc User Manual