The Winchester Supreme THSX 640 Thermal Hunting Sight delivers elite-level thermal imaging performance for serious hunters. Its high-resolution 640A-512 sensor picks up heat signatures through total darkness, smoke, or fog, offering precision clarity in any environment. Packed with advanced features including a ballistic calculator, PIP mode, and digital compass, the THSX 640 is engineered for long-range detection, extended runtime, and rock-solid dependability in the field. 640A-512 VOx thermal sensor 12Ioem pixel pitch 50Hz refresh rate 50mm objective lens 2.3A- optical magnification with 1-8A- digital zoom 1280x1024 SXGA display resolution IP67 waterproof rating Up to 10-hour runtime with dual 18650 batteries