You are correct about the Floodlight Cam @MrBobboh , we recommend they be installed/ mounted on a vertical wall for the intended field of view and optimal detection. Check out our Community post about Floodlight Cam placement
As for the Indoor Cam, this features a 140° diagonal, 115° horizontal, and 60° vertical field of view. It can be adjusted up and down as well as angled slightly left or right, which should cover the necessary area with it’s horizontal field of view. Hope this helps!