Feature Metal shell, anti-vandal User capacity: 3000, including 1000 Fingerprint users and 2000 RFID card users Wiegand 26 output and Wiegand 26 input Besides standalone, it can connect to other controller as the salve reader Infrared remote control and master cards for programming Anti-magnetic & lock output current short protect; 2 device can be interconnected, 2 device can be interlocked Red, yellow and green LED display the working status