Unifi protect - built in 500 gig drive should do two cameras for a month - https://www.amazon.com/Ubiquiti-UniFi-Cloud-Gen2-UCK-G2-PLUS/dp/B07HLLC1TC/ref=sr_1_10?dchild=1&keywords=unifi+protect&qid=1587012266&s=electronics&sr=1-10

and two of these - https://www.amazon.com/Ubiquiti-Unifi-Bullet-Camera-UVC-G3-Bullet/dp/B07TVFKLJP/ref=sr_1_2?dchild=1&keywords=unifi+g3&qid=1587012365&sr=8-2