Easily set up a door bell with this Wireless Remote Control Door Bell featuring a compact design with built-in IC programming, 2 channels, low power consumption and an LED indicator. Bell extends chime up to 80 feet away. Does not interfere with other electronic devices when used. Door bell measures approximately 3.125" x 1.5" x 4.125". Comes packaged in an individual box. Box measures approximately 6.625" x 1.875" x 6".