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 ... <5WWorking Temperature-20 C ~ 70 CDimension110mm Height x 72mm DiameterWeight120g Bulb CCTV Security DVR Camera BC-681 (Motion Detection,Night Vision,Screw n Play