Description: Convenient and Long Transmission Distance: This wireless doorbell features a strong signal transmission up to 1000ft, allowing you to hear the doorbell ring from anywhere in your home Button Waterproof and LED Flashing Light Reminder: The smart electronic doorbell is equipped with a waterproof button and flashing light reminder, ensuring durability and visibility even in rainy weather 4-speed Volume Adjustment and 36 Music Ringtones: Say goodbye to boring doorbell chimes with 36 different music ringtones and 4 adjustable volume levels, making it easy to personalize your doorbell sound Strong Penetration Ability and Easy Direction Distinguish: The self generating doorbell has a strong penetration ability and the host can easily distinguish different buttons, emitting different ringtones to help you identify the direction of the visitor Long Enough Battery Life and Loud Enough Sound: With long-lasting battery life and loud enough sound, this waterproof doorbell is for homes, offices, and more. Never miss a visitor again! Specification: Material: ABS. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1 set of doorbell