Bulb CCTV Security DVR Camera BC-681 (Motion Detection,Night Vision,Screw n Play Advantages :Everyone knows it, Easy Installation, Simple OperationInsert a Micro-SD card into camera, screw in like a bulb, turn on power. That is it.Worldwide usageAccept AC 110V-250V for worldwide usage, providing different bulb adapters for different countries.Good cover, like a real lampLooks like a real bulb, no ...