Multifunctional - using biological fingerprint technology, the door can be unlocked by fingerprint in only 0.25s. In addition, the lock can also be used by password. You can go out without carrying a key, which is safe and reliable. Emergency key - the lock comes with 2 keys for standby applications that allow you to unlock the door in the traditional way. Large capacity - the smart lock can store 30 fingerprints, which can be opened easily and conveniently, bringing convenience to your life. Power supply - 4 AAA batteries are available (not included). Built in USB port for emergency use, so don't worry about running out of battery. Widely used - made of high quality metal, durable, suitable for family, apartment, personal residence, hotel, etc.
Material: Metal Product color: Black Interface: USB Battery: 4 X AAA dry batteries (not included) Working temperature: - 20-55 ℃ Recognition time: 0.25s Fingerprint capacity: 50 Adjustable center distance: up to 70mm / 2.75inch Size: 14.5 * 6.5 * 2.8cm / 5.7 * 1.1 * 2.55inch (L * W * H) Weight: 920g / 32.45oz