Dual Reminder and Power Supply: This bed alarm system Compatible with the elderly features both LED lights and audible alerts to grab attention. It can be powered by either alkaline batteries or a Micro-USB, providing flexibility and reliability in power sources Compatible with continuous operation. Effectively Monitor Elderly Movements: Strategically place the wireless motion sensors under the bed or at doorways to detect movements. 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 the signal. This feature allows caregivers to perform their daily tasks anywhere in the home or garden without losing connection to the monitored person. Ready to Use: The sensor and receiver are paired Compatible with immediate use. Simply turn on the system, and it performs a self-test by flashing the indicator light 5 times and becomes operational in just 20 seconds, ensuring no time is wasted during setup. Customizable Alerts: Tailor alert settings Compatible with specific needs with 17 different ringtones and volume adjustments from 0 db to 110 db. The vibration mode offers a discreet alert option, minimizing disturbances Compatible with others while still alerting the caregiver. Color: White Material: Plastic Package Contents: 2 * Sensors 1 * Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement tolerance is +/- 1-3 cm.