We have gone digital with this addition to the HappyVappy line of products. Our new solid state fully electronic HappyVappy provides for a truly heighted experience. Incorporating sophisticated micro chip technology, we were able to reduce the operating temperature window to crazy unbelievable precision limits. The HV Digi has an operating window of 14 degrees F. The HV Digi is also available in a 220-240 volt version (HV 220) for our... More HV Digi / HV 220 Products and Info »