The VPP803 is a non-electrical unit working with pressed air.
Vacuum is controlled trough the hole on pencil surface.

Features (VPP803)
* No electricity required for operation
* Easy to control operation

Specifications (VPP803B)
Size: 3.75" x 7.50" x 2.62" (9.52 x 19.05 x 6.65cm)
Air input: 20 - 100 psi(1.33 - 7 bar)
Vacuum: Pressure gage display
Weight: 2.5 lbs (1.14 kg)

Delivered with pencil, 3 angled tips and 5 rubber cups varied diameter.