I've moved the lights around a bit to test how sensitive the motion sensor is and what kind of light is needed to charge. They were out in a rain storm too. I'm very happy with the lights so far. The motion sensors seem to detect well. The light only stays on for a short bit, but does a really good job lighting up the entire area. FYI, the LED lights gives off a blue light (not a traditional warm light). Would recommend sitting them out in "full light" the first use to get them fully charged up.