Silent Call Signature Series Wireless Doorbell Kit With Sidekick Ii Strobe Cloc

Features:

• Alerts you when it's time to wake up, or when you have visitors at the door, by flashing its built-in strobe light and shaking the included bed shaker.
• Can also alert you to videophone calls (only compatible with videophones that have a built-in phone jack).
• Up to 2,000 feet range between doorbell & receiver
• Built-in 110 candela strobe with three brightness settings
• System can be expanded with additional Silent Call Signature Series transmitters & receivers. 
• Different color LEDs, digital display icons, and unique vibrating patterns let you know which transmitter is triggering the receiver
• Low battery indicator with battery backup for both the receiver and alarm clock
• Light sensitive display backlight (nightlight)

Includes:

• Signature Series Wireless Doorbell (with battery)
• Signature Series Sidekick II Strobe Clock Receiver
• Bed Shaker