blink video doorbell

Im trying to find a way to deter tresspassing to the left of the posts. I have a post (left side of pic) with No Tresspassing, no hunting, fishing signs, etc, but people still just ignore it (most cant read english) and use my property to fish from. If Im there, I normally just ask if they...

I guess Blink is coming out with a video door bell sometime in 2018, but from my reading i don't think is onvif ready, is probably like Ring , but it is offering "free cloud" for recordings. Blink Video Doorbell Looking for replace my Ring some day with a onvif one but so far they are not...