This Honewell(TM) wireless doorbell push buttons is easily accessible and easily installed. Compatible with Honeywell Series 3, 5 and 9 Wireless Doorbells, this wireless doorbell push button includes feedback LED and weather resistant properties. A prolonged battery life up to 2 years and Honeywell ActivLink bolster longevity and versatility. Includes (CR2032) Battery and mounting kit: screws, mounting bracket and adhesive strip. 1-year warranty.