I'm using wireless Blink cameras. They are as easy as it gets if you have a constant internet connection and a smart phone.
Here's what likes to eat my wife's Hostas:
http://drive.google.com/file/d/1u7Lm5jj0EC_S5NCYL6ciRsKyAYVeYPcs/view?usp=sharing
I love the blink camera's I put up,