Amazon currently has the Honeywell Premium Portable Door Chime with 3 buttons for $19.99 shipped. This doorbell usually fetches $50 at Home Depot, $35 at Amazon, and is a match for our last mention.
Apple Smart Keyboard
Working up to 450-feet away, you can place this wireless doorbell anywhere to let you know visitors are there. Rated 4.6/5 stars from over 1,100 reviews.
Honeywell Premium Portable Door Chime Features:
- Wireless – Battery operated
- Works with up to six (6) push buttons, motion detectors or door contacts for added security and convenience
- Six (6) chime tunes, fully adjustable volume and six (6) visual alert icons
- Self-learning code system automatically adjusts to eliminate interference
- 450-ft operating range
- Door chime works with up to 6 transmitters: bell push buttons, door contacts, or Honeywell motion detector may be added for additional security and convenience
- 6 chime tunes with CD sound quality sound and fully adjustable volume control
- Low battery indicator
- Individually coded bell push button to avoid interference with other users