Mounting Location Outdoors Warranty & Support For accurate temperature measurements: La Crosse McCormick, LLC. provides a 2-year limited warranty (from the date of the original consumer purchase), on this product against manufacturing defects in materials and workmanship. Send $5.00 with date and proof of purchase to the following address. Please include the model number of your product and your complete address and phone number. • Choose a location that is not subject to direct weather elements.