Hi there Larry. I was asking the same question not that long ago, and have owned a few different models. As for myself I opted for the Steathcam IR540 which retails at 90-110 buck, and as the name implies its infrared. the daytime pics are of course color and very good resolution as are the black & white night pics. I am very happy with them as I now have 4 also with a viewer I carry into the field thats around 100 bucks, or you can just carry an extra sd card to swap out and your good to go.
GOOD LUCK, GOD BLESS, AND STAY SAFE!
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