A valid drivers license image will be required for the purchase of this unit matching the shipping address before this item will be shipped out. €¢ Quietest in its class. €¢ Exceptionally low vibration levels. €¢ Integrated design with enclosed muffler for easy installation. €¢ Self-diagnostic capability to simplify troubleshooting. €¢ Runs one or two air conditioners with power to spare. Up to two 13500 Btu air conditioners with 3000 watt baseload. €¢ Digital voltage regulation for stability as appliance loads change. *Evaporative Spec: For trailer applications required to meet Tier III Evaporative Emissions of the California Air Resource Board. THIS IS CONSIDERED TO BE A SPECIAL ORDER ITEM. In most cases special order items can have the possibility of being delayed in standard shipping time. We ask that you take this into consideration as we strive to give you the best RV parts without comparison!