Vandal proof waterproof Rugged Mouse With Top Panel Mount Version

Vandal proof waterproof Rugged Mouse With Top Panel Mount Version Special Featurers: 1. CE, FCC, RoHS,IP65, IP68, ESD 2. 3 mouse with humanized design for easy operation. 3. IP65 dynamic sealed & ruggedized stainless mouse buttons. 4 Trackball module protected and shielded by stainless steel housing 5. Can be mounted horizontally, and vertically. 6. No metal bearings inside, operation is very smooth, and easy without any noise. 7. USB,PS2 are available. Applications: This