With a choice of 3 different suction speeds, this pump has something to offer everyone. At the touch of a button, the AUTOMATIC CYBER PUMP creates a super powerful vacuum for a fast and powerful erection. The super soft masturbation sleeve magnifies the view of your penis for unique visual stimulation. The pump always seals well for a comfortable but very effective suction. This high-tech pump is really easy to disassemble and clean. With a height of 29.5 cm and an insertable length of 20 cm, it reaches an incredible 4600 rpm with a very low noise level of less than 55dB. The inner circumference is 6.1 cm (2.4 inches), so there is always enough room to 'wax'. The pump needs three AAA batteries and is NOT waterproof.A choice of 3 different suction speeds It creates a super strong vacuum. Really easy to disassemble and clean. Realistic feel and fits well in the hand Manufactured from high-grade polycarbonate, a very light, durable and hypoallergenic material.