Applied Data Systems warrants our products, if properly used and installed, to be free of defects in material and workmanship for a period detailed below from the date of invoice. All our systems come with a Standard Level Warranty. The Standard Level Warranty does not cover any failure(s) or defect(s) caused by misuse, accident, abnormal or unusually heavy use, improper packaging or handling, neglect, abuse, alteration, improper installation, unauthorized repair or modification, improper testing or causes external to the product, such as, but not limited to excessive heat or humidity, power failures, power surges or unnatural acts.