1,SUS304 Split Lock Hotel RFID Card Hotel Lock System With Easy Hotel Card Lock Management Software 2,The mortise can interchange the left and right easily. For distributors,they can reduce stock and strengthen the cash flow turnover. 3,All of key spare parts are made of SUS 304 material,It is durable and realiable to avoid rusting troubles. 4,It adopts Taiwan's high-quality motor and has a service life of 500,000 times.Assuming 100 times a day to open the door and it has a life of more than 13 years. 5,Fully automatic SMT and full computer detection technology, which effectively guarantees the high quality of the products. 6,User-friendly software system,easy to install and maintain. 7,Intergrates with Opera fedelio and third party intergration DLL,SDK more convenient for hotel management. Unlock way: Mifare card/mechanical key Power supply:4xAA alkaline battery Static current:25 uA Dynamic current