Brunton ADC (Atmospherice Data Center) IR USB Transmitter Brunton Product Includes Adapter Great for camping USB connection Plug-and-play receiver connects to PC via USB connection Exports in standard text format for immediate data processing Includes 3-foot USB extension cable and PC software Measures 3.1 x 1.2 x 0.7 inches (W x H x D) and weighs 0.6 ounces