FlashSolar Powered CCTV Sign,Julyfox Video Surveillance Sign CCTV Warning Security Alert-24 Hour Surveilance 3.15x3.15 inch Solar Powered Flashing CCTV Warning Sign,no external battery needed, no charge needed Constantly blinking warning sign on LCD when there is light available With built-in 2 batteries and acrylic Board material Package include:1x solar powered cctv sign Comes with julyfox 1-year-warranty