Fangrui Product Details [dual Alert ]smart Dual Alert System With Led Light 110db Sound Notifications. [real-time Movement Monitoring]advanced Wireless Motion Sensors Detect Bed Exits Room Departures. Simply Place Under Bed Or By Doorway For Instant Alerts When Seniors Attempt To Move Unsupervised. [500ft Extended Range Coverage]industry-leading 500+ Ft Wireless Range Allows Caregivers To Monitor From Anywhere - Bedroom To Backyard. Receiver Features Portable Clip Design For Easy Carrying Throughout The Home. [quick Setup Self-testing]pre-paired For Instant Use - Activates In 20 Seconds With Self-test Confirmation (5 Breathing Flashes). No Technical Skills Required - For Immediate Elder Care Deployment. [customizable Alert Settings]personalize With 17 Alarm Tones Adjustable Volume (0-110db). Includes Silent Vibration Mode For Nighttime Use. Color: White Material: Plastic Package Contents: 1 X Host 1 X Sensor Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Disp