The mechanical tube works with a 18650 battery (not included), adjustable button. The Goon is a dripper made of copper, equipped with air control and a 2-post deck to accommodate any regeneration.
A 24mm dripper adapter is included in the package.
Goon Mod Specifications:
Battery: 1 18650 battery (not included; see Efan section)
Goon Dripper Specifications:
Adjustable air control
1 Goon tube MOD
1 Dripper Goon 22
1 24mm dripper adapter