Dual Reminder and Power Supply: This bed alarm system features both LED light and sound alerts. It can be powered by alkaline batteries or via Micro-USB, offering flexible and reliable power options for continuous operation. Efficient Monitoring of Movements: Place the wireless motion sensors under the bed or at doorways to detect movement. The system triggers an alarm when a person attempts to leave the bed or room, supporting safety and caregiver awareness. Extended Wireless Range: The receiver operates within a range of over 500 feet without signal loss, allowing caregivers to move freely throughout the home or yard while maintaining connection. Ready-to-Use Convenience: The sensor and receiver are pre-paired for immediate use. After powering on, the system performs a self-test—indicated by the LED breathing five times—and becomes operational within 20 seconds. Customizable Alerts: Choose from 17 different alert tones and adjust volume from 0 dB to 110 dB. A vibration mode is available for discreet notifications. Color: White Material: Plastic Package Contents: 2 × Sensors 1 × Receiver Note: Colors may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.