Zinc alloy
Three unlocking options: choose fingerprint, code, or key to access your door, even without backup keys
aluminium alloy design: a quick and secure fingerprint scanner, powered by a responsive aluminium alloy for better accuracy
extended battery life: up to 10 months of operation with four batteries; low battery alert and usb backup option
anti-peeping function: protect your password with random digits to avert unauthorized observation
easy installation: fits most door types, including ring, lever, and split locks for versatile use