Ambient Weather WS-3000-X3 Thermo-Hygrometer Wireless Monitor with 3 Remote Sensors The WS-3000-X3 monitors and graphs three wireless remote sensors at the same time The comprehensive data logger includes a tuft full color display with graphing and monitoring of temperature, humidity, dew point and heat index, and allows you to monitor up to 8 channels at the same time The clock automatically synchronizes the time several times a day based on a radio signal from fort Collins, Co (WWVB). the radio controlled clock never needs resetting and is accurate to the second The graph and display allow you to choose from temperature, humidity, dew point, and heat index The ws-3000 also includes pc software for advanced data analysis, console programming, and easy data extraction from the optional micro-ds card This is an aftermarket of generic part