The TFV12 Baby Prince features a large 4.5mL juice reservoir and utilizes the innovative hinged top fill now complete with patented locking mechanism. Newly designed coil family produces dense clouds with optimal flavor production. Mesh coils, Light-Up Colored coils and standard V8Baby-T12 and V8Baby-Q4. The new Mesh coils can produce denser clouds and better flavor at the same wattage. The light up coil emits beautiful red light when activated, and the mesh coil has larger heating area to speed up the heating process. Compatible with 510 or 810 drip tips. 26mm base diameter.