Protect your loved ones with CallToU Motion Sensor & Detector Alert. Wide 33FT detection range and 500FT wireless range ensure you never miss an alarm. Expandable system Color:1 Receiver+ 1 Motion Sensor Easy to use：Just put 2

Easy to use：Just put 2 AAA batteries (included) in the receiver and switch on

The advanced wireless technology minimizes signal interference

The window intercom speaker uses mesh speaker

Door Alarms When Opened:Door alarm sensor can detect the opening/closing of doors and windows

Our personalized services have improved the lives of nearly 1

Protect your loved ones with CallToU Motion Sensor & Detector Alert. Wide 33FT detection range and 500FT wireless range ensure you never miss an alarm. Expandable system Color:1 Receiver+ 1 Motion Sensor Easy to use：Just put 2Product Description Discover peace of mind with CallToU's home care solutions. Our personalized services have improved the lives of nearly 1,000,000 elderly individuals and their families. Heres what sets us apart: Easy Monitoring: Our wireless motion sensors can be placed under beds or at doors, alerting you immediately to any movement, ensuring quick response and care. Simple Setup: Pre programmed and ready to use out of the box. Just plug in the