Stopped working after about 2-3 months. The one I bought before this one lasted about 6 months before it stopped working.
No, I would not recommend this to a friend.
Response from waterpik.comBy Waterpik Product Support, February 19, 2024
Hello Robink - We are sorry to hear that your WP-580 model stopped working. It does include a two-year warranty. Have you tried contacting customer service? We would like to get some additional information about the issue and open a warranty claim for you if needed. We just need you to contact us. Please email us at smreviews@waterpik.com or call customer service at 1-800-525-2774 for assistance. Thank you.