... ,apartment,office security electric door lock for hotel, flat and office Main Advantages:(1) Inner and outer handle "dissociation" (2) ... function(5) American standard lock core (6) Japan motor, more than 500000 timesTechnology Parameters: ItemsParametersProduct Dimension245L*76W*20H ... locks3. Stainless steel handle and panel 4. Free software in English5. high quality and low price6. Professional after- ...