Dual Reminder and Power Supply This bedside alarm system for the elderly features both LED light and audible alarm to ensure quick attention. It can be powered by either alkaline batteries or a MicroUSB, providing flexibility and reliability in power sources for continuous operation.Effectively monitor the movements of the elderly Strategically place the wireless motion sensors under the bed or at doorways to detect movement. The system triggers an alarm when an elderly person tries to leave the bed or room, increasing safety and giving caregivers peace of mind.Extended Wireless Range Enjoy the freedom to move the receiver within a range of over 150 meters without losing signal. This feature allows caregivers to perform their daily tasks anywhere in the home or garden without losing connection to the monitored individual.Readytouse convenience The sensor and receiver are prewired for immediate use. Simply turn on the system, it performs a selftest by breathing the indicator light 5 times and is ready to operate in just 20 seconds, ensuring no time is wasted on installation.Customizable Alerts Tailor alert settings to meet specific needs with 17 different ringtones and volume adjustments from 0db to 110db. Vibrate mode offers a discreet alert option, minimizing disruption to others while still notifying the caregiver.Color WhiteMaterial plasticPackage contents2sensors1receiverOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.