satin pearl nickel card lock for hotels/motels/office/lodge/apartment * Stainless steel panel with surface treatment Plating.PVD treatment* Low consume,high clever 'Xeeder' RFID Technology PCB board.* RFID Mifare 1K technology,100,000 times program life, contactless read card.* ANSI 5 latch mortise* Free-engage while locking* Powered by AA battery X 4 for 12 months' life * Mifare 1K S50 card ...