This wireless doorbell and push-button set feature high-quality sound (80dB) with a range of up to 250 feet. All you have to do is install the push button outside and mount the doorbell wherever you want inside with the advantageous wireless design of this set. The doorbell includes a range of 4 different melodies to choose from according to your preferences. For even more alert options, connect up to 2 additional accessories such as a compatible push button, sensing device, contact, or motion detector. Extended 2-year battery life and an included portable wall mount option add durability and versatility.

Doorbell features:

• 80 dB sound level
• 4 melodies
• Range up to 76 m (250 ')
• Connect up to 2 accessories, such as one more push button
• Wall mount option (included)
• Strong, long-range signal
• The doorbell requires 4 AA batteries (not included)

Push-button features:

• Feedback LED
• Weather-resistant
• Wireless "E" compatibility
• Surface mount
• Batteries included (CR2032)