... -weather environmental design, high-strength cast aluminum alloy casing, shock, corrosion, protection grade IP66* Super seismic properties, particularly suitable for vehicle monitoring ... from 2400Bps to19200Bps,RS485Operate temprature-35°C~+55°CRelative Humidity90%Protection classIP66powerDC10.5V~DC18V(3.5Acar ) AC24V(2.5Acommon)Impact resistance ...