The YKESDL K5P is the ultimate smart door lock - equipped with 3D Face Recognition, WiFi, app, mechanical keys, card, password, fingerprint, and more - so you'll never worry about getting locked out again! This top-of-the-line zinc alloy lock is suitable for steel, wooden, brass, and stainless steel doors, and comes with a built-in doorbell, camera, peephole, and two-way audio for added home security. It's loaded with CE, FCC, and RoHS certifications, and offers biometric and key & keypad handle direction reversible protection. Plus, you can control it remotely with Tuya Smart Home Platform! With a fit door thickness of 35-120mm, you'll be secure and safe with the YKESDL K5P.