Handheld thermal imaging device offers greater scene detail with 320 x 240 resolution and features a video port for simultaneous recording. Detects human activity 800 yards away. White hot, black hot and three color modes. Up to six hours runt time with two AA lithium batteries. Weighs 13 ounces. Dimensions: 5.25 x 4.5 x 2 inches. Shock resistant up to six feet. Water resistant to three feet.