The yale digital door locks collection! smarter solution for your home. World's slimmest digital door lock with strong security features. Features & benefits: world's slimmest digital door lock (11mm super slim design) various access (rf smart chip, touch keypad (remote control - optional) modern & slim design safe thumb-turn missing key invalidation high temperature alarm fake pin code advanced mode technical details: pin code: 4-12 digits emergency power supply front body dimension: 11(d) x 68(w) x 179(h) mm back body dimension: 36(d) x 72(w) x 185(h) mm