FLIR First Mate HM-324 XP Handheld Maritime Thermal Night Vision Camera, Black/Yellow Handheld maritime camera with thermal night vision technology Detects tiny changes in heat and turns them into easy-to-interpret images Lets you see clearer and farther than ever before in complete darkness Fully submersible, waterproof enclosure; runs on 4 AA batteries Measures 9.36 x 2.62 x 3.33 inches (W x H x D); weighs 1.45 pounds