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Serpac Key Fob electronic enclosures and cases are the top choice for protecting your keyring electronics. These enclosures are designed for compact wireless remote access control which fits in the palm of your hand. We make each keyring enclosure from a highly impact resistant polycarbonate and synthetic rubber. Keep your delicate electronics dustproof, moisture free, and protected from other environmental factors by picking one of our IP66 waterproof electronic key fob boxes. These keyring enclosures are perfect for car keys / fobs and access control to hospitals, factories, and office buildings.