ATN Thor640-1.5x Thermal Weapon Sight 640x480, 30mm, 30Hz 800 x 600 OLE D color display Vanadium oxide (VOx) Microbolometer Uncooled Polarity single button modes: black on white, white on black, 5 different color settings Up to 8 hours operation with three lithium batteries This item is restricted for sale to the state of California and outside the US; export outside the US is not allowed