Multiple Smart Unlocking Methods Enjoy flexible and secure access through 3D face recognition, fingerprint, password, IC card, and mechanical key options. Advanced 3D Face Recognition Fast, accurate, and highly secure facial identification for hands-free entry and enhanced safety. Premium Aluminum Alloy Construction Crafted from high-strength aluminum alloy for durability, corrosion resistance, and a sleek modern look. Long-Lasting Power Supply Equipped with a 3200mAh rechargeable lithium battery and Type-C emergency power port for uninterrupted use. IP68 Waterproof Protection Designed to withstand harsh weather conditions, ensuring reliable performance indoors and outdoors. Wide Door Compatibility Suitable for wooden, stainless steel, and aluminum doors, making it ideal for homes, apartments, offices, and commercial properties.