Features: No extra DVR devices required, cost saving and more convenient. Just Power ON through USB Power Adapter (AC Adapter included) and it will automatically record videos. Simple operation, just insert a Micro-SD card, plug into a wall power socket, it will auto start video recording Circular recording, when storage (Micro SD-card) is full, new video file will replace the first one, second, third and so on, never worry about run out of storage. Files will be saved in 30mins per file Built-in infrared LEDs, 24 IR LEDs are built-in, clearly see objects in dark environment or at night time Using external storage media, support Micro SD-card, video files are stored inside, Max. support up to 8GB (recommend using good quality cards, and the machine does not include a card by default) 3.6mm camera Lens by default, the viewing angle is around 95 degree To playback video, just take out the card plug it into computer (a card reader is included), recommend using "VLC media player" Item Dimension : 92mm/3.5" Diameter Suitable for security surveillance at homes, schools, shops, shopping malls and factories and so on Specifications: Image Sensor: 1/4"CMOS 0.3 Megapixels Min Illumination: 0 (IR on) Resolution: VAG(640*480) Lens: 3.6 (mm) SNR 48 (db) Work Temperature: -10-60 BLC Automatic white balance, automatic backlight compensation Weight: 0.6KG Power: DC 5V/2A (V) Reference about recording time: Memory size Recording time At VGA(640*480) 1GB About 1 hour 2GB About 2-4 hour 4GB About 6-8 hour 8GB About 13-16 hour Package 1 x CCTV Dome DVR Night Vision Camera (Retail Packed) 1 x User Manual 1 x Driver CD 1 x Mounting Screws PANSIM are the only Importer and Distributor for PANSIM Brand Products, If you buy PANSIM products from other suppliers, that may be cheap and fake. We are not responsible for the quality and support of those products.