All SadoTech Expandable Wireless Multi-Unit Long Range Doorbell Alert System are CONFIGURABLE and EXPANDABLE doorbell systems 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 feetCE, FCC, RoHS certified.

Product Features

• ✅ The STARPOINT is a CONFIGURABLE and EXPANDABLE doorbell system that can EASILY ADD on 20+ more extra receivers, transmitter buttons, motion sensors and door sensors. Custom build your own system that fits for your needs. Easy to use pair-able random generated frequency code technology allows you to mix and match components easily with one or multiple receivers.
• ✅ 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
• ✅ Base start kit includes 1 plugin receiver and 2 remote window/door sensor, double sided stickers, anchors, screws, AA batteries are included for door sensor(s)
• ✅ 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 it with Adobe Acrobat Reader 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.