Usage Tips: For the elderly, disabled, or sick, they can call their caregiver without shouting for help and with no monthly fee. Caregivers don't have to be with the patient all the time, leaving both parties free. The button is IP55 waterproof and can withstand water or soup splashes, but it should be removed before bathing. The caregiver pager system offers 52 melodies to choose from. It features 5-level volume control ranging from 0dB to 110dB, suitable for babies and light sleepers. Silent mode with LED flash only is available when sound is not desired. Utilizing high-frequency technology with strong anti-interference performance, it provides a range of over 500 feet (150 meters) in open areas. The signal has strong penetration and stability, capable of passing through multiple walls. This caregiver pager is a simple and efficient assistive device designed for patients and the elderly, serving as a reliable alert system for fall detection and monitoring. The receiver can be placed in various locations, while the call button can be kept in a pocket, attached to a wheelchair, mounted by the bedside or bathroom wall, or worn as a personal alarm pendant. The system is customizable and expandable, supporting up to 16 transmitters and unlimited receivers. Each transmitter can be set to different or identical alert tones, allowing use across multiple rooms or as a medical alert solution.