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. There are 5 volume levels ranging from 0dB to 110dB, suitable for babies and light sleepers. A silent mode with LED flash only is available when you do not want to disturb others. Using adaptive high-frequency technology with enhanced anti-interference performance, the device provides a range of over 500 feet (150 meters) in open areas. It has strong signal penetration and stability, capable of transmitting through multiple walls. The caregiver pager is a simple and efficient assistive device designed for patients and elderly individuals, 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 on the bathroom wall, or worn as a personal alarm necklace. This 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 part of a medical alert system.