New design hotel door lock system

Technical Data Perfect design:This item lock special design for luxury hotel Front and back panel adopt zinc alloy material. Dissociated handle can protect from damage by violence Working voltage:DC6V,(4 pcs AA alkaline battery ),can last working 15000 times about 12 months Back handle lift to lock the door. Low battery alarm: when working voltage low than 4.8V,after reading card red LED light will flash to notice low battery, can still unlock door 50 times Static consumption