The STARPOINT Expandable Wireless Multi-Unit Long Range Doorbell Alert System Learning Code -L" Series is a CONFIGURABLE and EXPANDABLE doorbell system that can EASILY ADD on 20+ more extra receivers, tra...

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Product Review

The STARPOINT Expandable Wireless Multi-Unit Long Range Doorbell Alert System Learning Code -L" Series is a CONFIGURABLE and EXPANDABLE doorbell system that can EASILY ADD on 20+ more extra receivers, transmitter buttons, motion sensors and door sensors.

  • CONFIGURABLE and EXPANDABLE doorbell system. Add on or build your own system
  • EASILY ADD on any number of additional receivers, transmitters, motion sensors or door sensors
  • Long range operation with the receiver at over 500 feet
  • Look for the -starpoint" symbol for other compatible components
  • CE, FCC, RoHS certified.


  • Multiple receivers can be configured to RING WITH DIFFERENT chimes/ringtones to let you know which transmitter was triggered _- a very convenient feature for multiple doorway entries.
  • Built in receiver MEMORY feature RETAINS doorbell chime/ringtone selection even when receiver is unplugged or powered off. Long range operation with the receiver at over 500 feet
  • Includes 1 extra remote window/door sensor, double sided sticker, AA battery is included.
  • DOWNLOAD OUR "10 MORE WAYS TO USE SADOTECH DOORBELLS” GUIDE - Did you know that our customers use SadoTech doorbells to train dogs, teachers love using it to quiet down classrooms, seniors and disabled use SadoTech doorbells as assisted living call pagers, and more! SCROLL DOWN on this page to the Technical Specs section below and click the Application Guide link to DOWNLOAD the PDF file.
  • WANT TO LISTEN TO OUR CHIMES/RINGTONES BEFORE YOU BUY? GO AHEAD - Just SCROLL DOWN to the Technical Specs section below and click on the Specification Guide link to DOWNLOAD the PDF file. Open the PDF to play all 52 ringtones. We're proud to announce we've developed a custom music chip in our doorbells that includes carefully selected. Over 50+ different ringtones. Operating range of over 500 ft (1000 ft in open area). 4 levels of adjustable volume from 25db - 110db.

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