RFID frequency:13.56MhzSupport:Mifare 1k/4k UID, Ultralight, and other ISO14443A compatible cardInterface:WIFI, GPRS, 3G, RS232, RS485, TCP/IPCardholder:100000 even more event recordsPower:9V DC (9-24V), PoE, Li-batteryIndication:2 LED 1 BuzzerHousing:indoor or outdoor useDoor Phone:Microphone, Door Bell, 2W/8 OHM Speakeroperation system:Linux, Android (option)product:Fingerprint access control Show More