CROSSPOINT Expandable Wireless Doorbell Alert System, Multi-Unit Base Starter Kit includes 2 x Long Range Plug in Receivers and 2 x 100% Waterproof Transmitter Buttons, Model ECBase, White /

The SadoTech "CROSSPOINT" Expandable Wireless Multi-Unit Long Range Doorbell Alert System Learning Code "E" Series is a CONFIGURABLE and EXPANDABLE doorbell system that can EASILY ADD on 20+ more extra receivers, transmitter buttons, motion sensors and door sensors. Designed & sold exclusively by SadoTech.

• 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 "Crosspoint" for other compatible components
• CE, FCC, RoHS certified.