The Honeywell RPWL300A is a white wireless push button that has a limited compatibility range. This unit works with the RCWL300A, RCWL330A along with the entire line of decor chimes and carries the additional bonus of acting as a door alert when added to these models. This model has an extended use of applications. Whether you're searching for a push button to install at a rear door in your home or an additional button within your garage, you'll have no shortage of options to explore when properly utilizing this item. This series of Honeywell push buttons features self learning and individual programming to eliminate interference and simplify use. Lastly, the RCWL300A is coated in UV-resistant plastic that is guaranteed to bolster durability and extend lifespan.