Explosion Proof Metal Keyboard With Trackball

Explosion Proof Metal Keyboard With Trackball Quick detail 1) vandalproof 2) With 3 buttons 3) voltage:5V DC No. Item Specification 1 Model No. DPK-1040A 2 Technical Data Kneading board: Imports the high strength stainless steel plate Pressed key: The stainless steel stretches the raised key, chemistry etching,import color oil printing Foundation plate: Aluminum sheet Spheroid material quality, size: Wear-resisting stainless steel spheroid, nonmetallic ball, diameter 19mm