... output IP65 rate, CE/FCC/Rhos compliant metal keyboard keypad,industrial keypadSPECIFICATION:18 key numeric keypadMade of high Quality Stainless Steel ... : PS2 outIP 65 protect level,Waterproof, dustproof, shake-proof, pickproof, drill-proof, bombproofKey life span: > 10,000,000 timesKey pressure: 2 ... : 65g / 1.5mm stainless steel metal numeric keypad with trackball (industrial keyboard/keypad)