rugged mouse keypad with usb interface

Quick Details: 1. 2 Keys Vandal proof IP65 stainless steel, metal keypads 2. Contact : Metal dome or rubbereric keypads 3. Rear mountedd. keypads 4.Interfade : USB or PS/2 Descriptions: 1. 2 keys IP65 dynamic compact format vandal proof with industrial PCB electronics. 3x4 keypad 2. Industrial PCB with carbon-on-gold key switch technology with long stroke (2.0mm) with extremely good tactile feeling for fast and accurate data input without any noise.metal keypad 3x4 3. Ease of