... , or AlkalineBattery Life Operating (Stand-by)>6 Hours on NiMH batteries, (120 hours on NiMH batteries)EnvironmentalRatingsIP-67, Submersible, 1 m dropOperational ... Command Model OnlyStill Image Storage, FormatSD Card, JPEG; 320 × 240 resolutionVideo Storage, FormatApprox. 8 seconds/Mb on SD Card, 320 × 240 MPEG-4