Stainless steel electronic lock 1.electronic lock 2,chinese lock manufacture 3,software control card lock system 4,CE RF card door lock 's description1,inner ... hotel 6,adopt American ATMEL Temic encrypted card or PHILIPS Mifare RF card 7,Low battery power alarm function8,weight ... :3.5 kg9,measurement of the faceplate 280x75mm10,suitable for the door ...