> Card type: 125KHz or 13.56MHz Card> KR502EM: 125KHz (WG26 output)> KR502Mifare: 13.56MHz (WG34 output)
>Very low power consumption,standby current less than 80mA>Backlight keys>Wiegand output, Wg26 / WG34 card number format>Built-in buzzer>Can connect doorbell