Now available from PMD Way are these useful four button metal arrow keypads, ideal for surrounding a display or instructions or options in a kiosk or hard environment. Each order is for a pair, that is two keypads. Use the options menu to select between raw matrix connections, or USB (includes interface board to USB plug cable). Free delivery. USB version includes the interface board between two four button keypads and USB cable. 4 keys Function pinpad. With high quality stainless steel material, IP65 protection level.High quality brushed Stainless Steel panel, dustproof, waterproof, shake-proof, pickproof, drill-proof, vandal-proof, IP65 protection. Easily mounting into enclosure or panel. MECHANICAL DATA Switching material: Carbon-on-Gold Actuation Force: 1.2N +/-0.1N (pressure point) Key Travel: 2.0mm Lettering: laser engraving, or raised letters. Front panel: brushed stainless steel Actuator/keys materials: stainless steel ELECTRICAL DATA Power supply voltage: 5.0V DC. Power Consumption: Under 150mW for operation, under 50.0mW for non-operation Electrical lifetime: > 5 years ENVIRONMENTAL ADAPTABILITY Operating temperature:-20°C to +60°C Storage temperature:-30°C to +70°C Operating RH: 30-90% Atmospheric pressure: 60-106Kpa. RELIABILITY RoHS Compliant, CE and FCC Protection Level: IP65(front panel) Key Lifespan >10 million actuations MTBF >50000H MTTR