touch screen key, card, induction card to open the door, low power alarm, voice prompts, ... locked, saving design, emergency main function1. touch screen key2. card3. induction card to open the door4. low power alarm5. voice prompts6 ... alloylock body material, stainless steelbackset, 60mmdoor thickness ≥45mm range of application, wooden doors, metal doors and burglar-proof door ecological door DZ ...