Vandy Vape - GAUR-21 Box ModVandy Vape GAUR 21 Box Mod T H E L I G H T E S T D U A L 2 1 7 0 0 B O X M O D E V E R . Weighing in at only 128. 17g, the Gaur 21 Box Mod from Vandy Vape is the lightest dual 21700 battery mod ever. The PCBA waterproof design of the Gaur 21 makes it easy to maintain a clean, dust free device; simply remove the batteries and clean! In addition to those great features, the Gaur 21 also has an anti loss function that allows you to locate your device