Waterproof USB Cctv Security DVR Camera Home Security Surveillance with Night Vision Video-out Motion Detection 32gb Tf Card,and Metal Case This camera is a complete video monitoring system. It has functions of video recording, motion detection, infrared monitoring at night time,and circulating storage Waterproof, suitable for outdoor usage Built-in 24 IR LEDs, able to see objects within 20 meters at night Simple installation, insert a Micro SD-card (TF-card) into the tf-card slot, then plug it into power socket, that is it Recording video 7days x 24hrs Video will be saved 30mins per file, 4GB TF-card can store 24hrs video files Support TF-card (Micro SD card) as storage media, Max. support up to 16GB (recommend using good quality TF cards) For playback, just take out the TF-card plug it into computer (TF-card reader is included) Application : It can be widely used, better to be Left it alone if nothing happens, if there is something happen just get out the Micro-SD card watching the videos