The QR600-HK-E is a robust QR code and 125kHz EM card reader with a metal housing and IP65 waterproof and dustproof rating. It supports Dynamic QR code recognition via the ZKBioSecurity Mobile App. Communication is via Wiegand or RS485, with reading distances of ≥5cm for QR codes and ≥4cm for 125kHz EM cards. Ideal for secure indoor and outdoor access control applications.