Short product description: Water-based automatic penis pump from mister boner for bath or shower use. The waterproof device creates strong vacuum suction with a powerful motor and 6 modes of interval/intensity, controlled by a push button with LED indicators and a quick-release pressure equalisation. Transparent cylinder has a cm scale; total length 30 cm, insertion depth 20 cm, outer Ø 6.3 cm, inner Ø 5.8 cm. Includes two soft silicone sleeves (inner Ø 2.1 cm and 2.8 cm), USB rechargeable cable; materials: ABS, PC, silicone. Suitable for potency training, size enhancement attempts and comfortable aqua workouts.