Up to 400 hours with 4 D-cell Alkaline or 250 hours with NiHM batteries
NOTE: Run times can vary by as much as 50% depending on the characteristics of specific brands and models of flash cards, the kind and quality of batteries used (alkaline versus rechargeable), temperature and configuration. We recommend SanDisk brand SDHC/SDXC cards.
Internal power using 4 D-size alkaline or rechargeable NiHM batteries
External power via optional SM3/SM4 Power Cable
2 SDHC/SDXC flash card slots (Class 4 or greater)*
More than 1 terabyte total capacity using 2 512GB SDXC cards
Compression is available to further increase storage capacity