HARDCORE MOTORIZED PENIS PUMP Hardcore Motorized Penis Pump. BATTERY POWER: This option is ideal for men who do not have good dexterity or for those who simply prefer the convenience of an automatic penis pump. There is a small hole inside the roof of the inner cylinder. The battery powered motor (located above this hole) removes air to create a vacuum in the chamber. The motorized pump takes about the same amount of time as manual pump to produce an erection - typically a few minutes. HOW TO USE & WHAT TO EXPECT: 1.) Twist the top cap open & insert 3 AAA batteries (not included). 2.) Spread lubricant around the bottom of the black sleeve & around the circumference of the penis. 3.) Insert into the hole located in the middle of the sleeve. 4.) Press the ON button (top half of the white button); a slight pulsing sound begins. Behind the white button, a small light illuminates in tune with the pulses. At first, the motor is quiet and slow. As vacuum begins, the forc