salvanost

that's why i want to upgrade the system but i don't know where to start d1 100 fps? or 200fps? what brand? why not just 30fps? i knew people recommended minimum 30fps d1 cause some dvr not capable up to 30fps is it true? still lot's of bad d1 dvr out there? what minimum fps acceptable for d1? 15 fps maybe or 23fps? to preserve video filesize any recommended varifocal? or mine good enough for the task? cannot zoom too much from above pic, i still need to show the fence gate to see people coming in and out