new model hotel card key lock

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 304 stainless steel material ,never fadeless and level grade 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