A groundbreaking discovery at Egypt's Saqqara necropolis, unearthed the 4,400-year-old tomb of Prince Userefre, son of King Userkaf, the first pharaoh of Egypt's Fifth Dynasty. The tomb features an ...

I recently purchased a second 6172H-O model wall mount unit from Amazon. After several hours of installation, the unit would not respond to the prescribed programming steps (red elongated and round ...