The iJust Tube Set comes in silver color & includes:
1x iJust Battery Tube with Control Part
1x iJust Drawtube
1x iJust Drive Pipe
1x iJust Battery Bottom Cap
Length => open 11,2 cm - closed 8cm,
Diameter = 2.3cm,
Voltage Regulator = 3,3 V ~ 4,8 V,
accepts Batteries = 18650, 18500, 18350.The design of telescopic battery tube makes iJust fit into all 18- series batteries.