This is an electric. 2 AAA batteries operated. air vacuum penis pump for men with 16 cm penis (when fully erected). With a penis pump you ensure that your penis grows to its maximum size. By using this device regularly. you will achieve noticeable penis growth. It is recommended to limit each session to 15 minutes to avoid injury or aggravation.

Features:
- How to place the batteries? Simply unscrew the head
- Combine only with water based lubricants
- Battery operated Penis Pump
- Material： ABS Pump / Silicone Sleeve
- Working model : 1 Speed
- Requires 2 AAA Batteries
Size: Full length 27 cm. insertable length: 17.5 cm. Diameter: Ø 6 cm