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Operating: 32 to 122°F (0 to 50°C); Storage: 32 to 158°F (0 to 70°C) Power — LE073A-R2–LE074A-R2, LE172: 5 VDC at up to 500 mA from PC’s keyboard or mouse port through interface-power cable; LT097A: From the included 110-VAC, 60-Hz power supply Size —...