waterproof smart cerradura puerta digital door lock electronic fingerprint biometric lock with card reader

the lock width is 31mm, which is fit for the 99% doors in the market;
the lock is fully waterproof, which can be installed outside. the lock is aluminum alloy, durable and corrosion resistance;
the lock unlock by fingerprint, password, ic cards and keys; the lock with usb power sypply for emergency
the lock use the 2885, 3085, 3585, 4585, 5085, 6085, 7085 mortise power supply by 4pcs aa batteries,battery life longer than 4pcs aaa batteries
the lock with usb power sypply for emergency 2, password unlock
it support 200pcs password users.
you can put any code before or after the right code to protect it from peeping..syi