Found this while answering a few questions tonight. I have this and It is a great setup for anyone with multiple humi's or coolers or a wine cooler.
Excellent Deal too!
http://www2.oregonscientific.com/shop/product.asp?cid=30&scid=122&pid=877
Excellent Deal too!
http://www2.oregonscientific.com/shop/product.asp?cid=30&scid=122&pid=877