touch screen key, card, induction card to open the door, low power alarm, voice prompts, up to locked, saving design, emergency main function1.touch screen key2. card3. induction card to open the door4. low power alarm5. voice prompts6. up to locked7. saving design8. emergency external power supply9. password to open the door10. world multi-point lockproduct attributesfinish, bright chromemain ...