XEPA PSD3 Solar Powered LED Security Camera Light with Wireless DVR Motion-activated, lightweight unit is easy to set up. No electrical wiring required Detects motion at a distance of up to 50-Feet with a range of 160-Degree 2.4 GHz digital wireless transmission enables DVR to receive pictures and sound from the camera without any drops or interference Included SD card enables storage of videos and photos System can be expanded to receive transmission from up to 4 cameras