U-Cooler4000Pro model is designed for motorhome, this model with 115to 220V voltage and 50Hz and 60Hz to suit some of market requirement such as America market and some of Middle East market. It is very low profile and quiet with compressor driven type of model connecting with outside power source in a RV parking park bring you a wonderful travelling time in your motor!
The U-Cooler 3000 and U-Cooler3000Pro are the low profile rv air conditioner with heat function, so if you want heat function too, please see that products.