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 ranging from 0dB to 110dB, suitable for babies and light sleepers. A silent mode with LED flash only is available when you don't want to disturb others. Using adaptive high-frequency technology with enhanced anti-interference performance, it provides a range of over 500 feet (150 meters) in open areas, strong signal penetration, and stability through multiple walls. The caregiver pager is a simple and efficient assistive device designed for patient and elderly fall alerts, serving as a reliable monitoring aid. The receiver can be placed in various locations, while the panic button can be kept in a pocket, attached to a wheelchair, mounted by the bedside or bathroom wall, or worn as an emergency alarm necklace. This system is customizable and expandablesupport up to 16 transmitters and unlimited receivers, with each transmitter assignable to different or identical alert tones. Ideal for use across multiple rooms or as a medical alert system.