... OFFTemperature Storage-50 TO 65 °C;Temperature Operation-40 TO 60 °C; Feature:New high strength aluminum-titanium alloy structure, ... stick time,1-64 level cruise speed setting and 1-60 second preset stick time. Color 18X, 22x,27 X optics ... protocol: Multi-Protocols. Power supply: 24VAC 3A . Temperature Operation :-40°-60° . Installation option: Wall mounting bracket, Suspending installation bracket, in- ...