Proven effectiveness in situations from the city to the farm. This 300W motion sensor security light is a self-contained security system, complete with video camera and audio warning. When the motion detector is triggered, the floodlights come on, video begins recording, and an audio warning of your choice sounds. Package includes a 2GB SD memory card (replaceable with SD cards up to 32 GB), 300W halogen bulbs, and back-up batteries. SD cards simply overwrite previous images should the memory fill.