EC-443 (650-0597) Specifications Faxback Doc. # 7537 Display.......................................................8-Digit, LCD Power Supply...................................................Solar Panel Operating Temperature........................32 degrees F to 104 degrees F (0 degrees C to 40 degrees C) Solar Cell Minimum Illumination....................................100 LUX Dimensions.................................4 13/16 x 2 13/16 x 7/16 Inches (12.2 x 7.1 x 1.1 cm) (HWD) Weight................................................Approximately 2.1 oz (60 grams) (with wallet) (br/all-9/15/94)