The Hellvape Dead Rabbit 4 RDA is a versatile 24mm rebuildable dripping atomizer known for intense flavor and massive clouds, featuring a postless deck for easy single or dual coil builds, a unique "rabbit-ear" airflow system with honeycomb channels for smooth, pure taste, and a compact design for broad compatibility, including squonking with an included BF pin. It offers enhanced airflow control with side and bottom inlets, supports complex coils, and comes with an AG+ resin drip tip for durability and hygiene, making it a top choice for DIY enthusiasts.