I recently got a Wildgame Innovations W6E camera to replace my old 3MP camera. The old camera used C-size batteries, and battery life was lousy. It took good pictures, though. The new camera uses AA batteries, and battery life is much better. The camera is really sensitive to motion. After two weeks, I got 600 pictures of the wind moving the brush. The size of the SD Card, and whether or not you use the video setting will determine the length of time the card will last. The camera was $70, by the way...