The Tatco Wireless Door Bell TCO57910 is a wireless, water-resistant doorbell designed for both indoor and outdoor use. It features a push-button ringer and a wireless receiver that operates up to 250 feet from the ringer, allowing for flexible placement. With 32 ring options, you can easily change the sound by pressing a button on the back of the receiver. Installation is straightforward with included screws or foam tape, and it operates on three AA batteries (sold separately) along with one 12V A23 battery which is included.