Yes, the S3 is the new one that replace the old 4mp and 4K.
Amazon.com : EmpireTech 4K 8MP 1/1.8" CMOS IR Turret Smart AI EPTZ IP Camera,2.7mm–12.0mm Motorized Lens,PoE and ePoE, Built-in MIC, SMD 3.0, Face Detection,Smart Object Detection,IVS, S3 Version IPC-T58IR-ZE S3 : Electronics
4MP...