Lassa BO NOT return product te the retail store. For technical assistance and product return information, please call Customer Care: 877-221-1252 Mon. Fri 800 AM to 4:45 PM. [C5T] www. instrumentality com LIMITED ONE YEAR WARRANTY Chaney instrument Company warrants Hat sli products it manufactures ta be of good material and workmanship an to be free of detects if property installed and operated for a period of one year from date of purchase.