SadoTech Motion Detector Alarm System - Starpoint Wireless Driveway Alarms Outdoor Motion Sensor- Base Starter Kit, 52 Door Chime, 4 Loud Levels, LED - 1 x Receiver 1 x Mini Wireless Motion Sensor Alarm, White

* AS SEEN ON QVC, FOX, ABC, NBC & CBS News - "It's built well, and it has a nice minimalist style" - Business Insider. * This 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. * WIRELESS DRIVEWAY ALERT SYSTEM: Security Alarm includes 1 wireless plugin receiver and 1 remote mini motion sensor. * EXPANDABLE FOR ADDITIONAL ADD-ONS: NEED EXTRA ADD-ON BUTTONS, RECEIVERS or SENSORS for your motion sensor chime system? Get it here -> www.amazon.com/sadotechwww.amazon.com/sadotech * LOOKING FOR BATTERY REPLACEMENTS or TAPE... go here -> www.amazon.com/sadotech * WANT to ADD CUSTOM TEXT or LOGO to your doorbell? ...Learn more here www.amazon.com/sadotech * LISTEN TO THE RING CHIMES BEFORE YOU BUY: Just SCROLL DOWN below to the Specification Guide link and click to DOWNLOAD the PDF file.