STARPOINT Extra Add-On Window/Door Sensor for the STARPOINT Expandable Wireless Multi-Unit Long Range Doorbell Chime Alert System, Model LD, White

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.