In/Out Thermometer

A housing for this (http://www.dx.com/p/1-6-dc-5-12v-blue-light-50-110-c-digital-thermometer-temperature-display-module-for-car-black-417968#.WnijLq7iaUk) temperature display. I choose a green and a blue one. So one colour for in and one colour for outside temperature. Still printing so pics follow when it is finished. At the back you got enough space to put cables in it. I powered it with an USB-Cable which is plugged into my PC. So everytime i´m on my PC i know the exact in and outside tempera