*Touch pad button design, password can be consisted of 4-15 digits, billions of password available.
*Password can be set and changed by users, and memorized automatically when power off.*2 pieces AAA batteries can be used for 10000 times and replaced easily.
*Introduced with anti-theft technology and fake pin password function.
*Switch between public and private mode freely with prompt function when lock been occupied.
*Auto-alarm will be activated when input wrong password 4 times.