Digiflavor S G MTL Tube Mod is designed for S G MTL Tube Kit/Siren G MTL Tank. Digiflavor S G Tube Mod is compatible with 18650 and 18350 batteries(not included) and can meet the need of all-day use. This mod adopts an accidental press protection design to protect from mistouch. The innovative 3-level adjustable power output can achieve a low-med-high level flavor adjustment, allowing people to experience a different taste. S G Tube Mod can also automatically recognize the coil resistance and match the most suitable power output.