24mm with Silicone Cushion (Suitable for 22-26mm)
27mm without Silicone Cushion (Suitable for 25-29mm)
a 25mm Silicone Cushion (Suitable for 23-27mm) included
24mm (Suitable for 21-26mm)
21mm (Suitable for 19-23mm)
25mm (Suitable for 23-27mm)
29mm (Suitable for 27-31mm)
Two individual tubings, without Y connector.
I/P: 100-240V ~ 50/60Hz
O/P: 6V-2A