Discover the Vandy Vape GAUR-21 200W Box Mod, featuring dual battery configuration, ultra-lightweight chassis, and app connectivity for loss prevention. Constructed from impact-resistant fiberglass enhanced PC materials, the GAUR-21 is the lightest dual 21700 box mod ever. Accepting two 21700/20700 batteries, sold separately, or two 18650 batteries, also sold separately, using the included adapters, the Vandy Vape GAUR-21 mod is teamed with an advanced Vandy Vape Chipset to deliver outstanding performance and various operation modes like temperature control, voltage or wattage output, and bypass. Outputting between 5-200W, the Vandy Vape GAUR-21 Box Mod also features phone app compatibility for firmware and locating the mod if it was ever lost.