Dual Reminder Power Supply: This bed alarm system f the elderly features both LED light sound alerts to prompt attention. It can be powered by either alkaline batteries a Micro-USB, providing flexibility reliability in power sources f continuous operation. Efficient Moniting of Elderly Movements: Strategically place the wireless motion senss under the bed at doways to detect any movement. The system triggers an alarm when an elderly individual attempts to leave the bed room, enhancing safety giving caregivers peace of mind. Extended Wireless Range: Enjoy the freedom to move the receiver within a 500and ft range without losing signal. This feature allows caregivers to carry out their daily tasks anywhere in the home yard without losing connection to the monited individual. Ready-to-Use Convenience: The sens receiver are pre-paired f immediate use. Simply turn on the system, it conducts a self-test by the indicat light breathing 5 times, becoming operational in just 20 seconds, ensuring no time is wasted in setup. Customizable Alerts: Tail alert settings to meet specific needs with 17 different ringing tones volume adjustments ranging from 0db to 110db. The vibration mode offers a discreet alert option, minimizing disturbances to others while ensuring the caregiver is notified. Colour:White Material:plastic Package Contents: 2 senss 1 receiver Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.