Description The 1×4 Matrix Membrane Keypad is a compact and lightweight input device featuring 4 tactile keys arranged in a single row. Technical Specifications Parameter Specification Product Type Matrix Membrane Keypad Key Layout 1 Row × 4 Columns Total Keys 4 Interface Matrix Material PET Membrane Mounting Self-adhesive backing Cable Type Flexible Flat Cable (FFC) Operating Voltage Compatible with 3.3V & 5V logic systems Shipping information Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.