The G-Force made by Mojo is an auto-suction penis pump, which claims to enlarge the penis - what we know is that pumps are designed to create a vacuum around the penis, and this in turn draws blood to the penis, engorging it and making it plump with blood.
This particular pump is white, and has a nice silicone seal around the bottom of the 21cm cylinder, with a quality hose attachment to the top of the cylinder, and to the automatic and electric pump system. The cylinder will fit easily over most guys penis' - but there are exceptions to that.
The electric pump, has a digital gauge, and 2 buttons - one button, when pushed, starts to suck air from in the cylinder, the second button, is a fast release of the suction, which is used to remove the cylinder, or just in case the suction becomes too much. All seals are made from a medical grade quality silicone, the cylinder from a firm ABS and the control unit various materials, and coated in a white plastic.