Wireless Door Bell, AVANTEK BA-11 Waterproof Battery Operated Doorbell Chime Operating at 1000 Feet, Portable Door Chime kit with 52 Melodies, 5 Volume Levels, and CD Quality Sound

NOTE: The battery-operated doorbell kits only pair with our battery-operated doorbell kits (Model number: BA-11/WA-11), and they do not match other kits or accessories in our store.
CONVENIENT BATTERY-POWERED RECEIVER: This battery-operated doorbell is powered by 3 AAA batteries (included) so no electric outlet needs to be occupied; simply screw the mounting bracket onto the wall and then hook the receiver on
300 M/1000 FT ULTRA LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor