Emergencies Mechanical Backup: Includes a mechanical keyhole for manual during power failures, providing an extra layer of security and reliability Weatherproof Outdoor Design: Features a Strong alloy steel construction with waterproof Protect, ensuring long term operate even in rainy or humid conditions Double Electric Compatibility: Works with both 12V and 24V power systems, offering flexible installation for residential, commercial, and gate applications with Stable Wide Application & High Security: Ideal for swing Gate, courtyard doors, and more, crafted with anti theft technology for robust Protect and smart home compatibility Electric: Enjoy effortless access with automatic electric at the push of a button, perfect for Gate, villas, and commercial properties, Manufacturer: Mekalero