That depends on your intended use case. RTSP-capable firmware for Cam v4 has not yet been released to users—not even for public beta testing—as far as I know. This is the last official message from Wyze that I’ve seen about it:
This is one Forum topic tracking RTSP for Cam v4:
My understanding is that tinyCam Monitor PRO is capable of converting camera streams to RTSP, even for cameras that don’t natively support this protocol, so that other clients can consume the RTSP stream. Native RTSP is not available for Cam v4 at this time, which is why some users rely on a third-party tool like tinyCam Monitor to accomplish this.