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 accept water/soup splashes, but it should be removed before bathing. The caregiver pager system offers 52 tunes to choose from. 5-level volume range from 0dB to 110dB, suitable for babies and light sleepers. Silent mode with LED flash is available when you don't want to disturb others. Using adaptive high-frequency technology with enhanced anti-interference performance, provides over 500ft/150m range in open areas, strong signal penetration and stability, capable of penetrating multiple walls. The caregiver pager is a simple and efficient assistive device designed for patient and elderly fall alarms, and serves as a helpful tool for home monitoring. The receiver can be placed in different locations, and the panic button can be kept in a pocket, attached to a wheelchair, bedside, bathroom wall, or worn as an emergency alarm necklace. Expand your existing calling system with up to 16 transmitters and unlimited receivers. Each transmitter can be set to different or identical alert tones. Ideal for use in multiple rooms or as a medical alert system.