The new Geekvape Tengu RDA sports an overall diameter of 24mm with a height of 28.3mm, so it is quite compact. Geekvape's Tengu also includes an 810 drip tip alongside a 510 drip tip adapter, so you'll be able to use most of your favorite custom drip tips.
Its best feature is certainly its innovative and easy to use building deck, so it's a perfect option for those looking to get into rebuilding. Advanced vapers will have no issues whatsoever installing coil builds.