RDA which initially stands for rebuildable dripping atomizer allows users, especially those newbies in the vaping experience to have enough knowledge about everything there is to know about atomizers and how they work in an electronic cigarette. 

These devices are designed to be utilized with a Mod or even those advanced personal vaping devices as these have a variety of shapes and have a greater size as compared to vape pens. RDAs have larger batteries, producing a higher power for better control upon use.