The Hyperlift pump offers you ample possibilities to grow. The smooth insertion sleeve allows for a comfortable experience. Surprise yourself each time with how big you can get! At the touch of a button, the powerful pump creates a strong vacuum, helping you achieve a quick and powerful erection. Product dimensions: 31 cm x 8.3 cm x 8.3 cm Product weight: 600 grams Product volume: 2128 ml Product diameter: 8.3 cm Inner diameter: 7.8 cm Insertable length: 22 cm Quantity motors: 1 Speed modes: 6 Multi speed: Yes Rechargeable: Yes Recharged battery lifetime: 45 min Splashproof: Yes Phthalate free: Yes Materials: ABS+Silicon+TPE