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. Waterproof & 52 Melodies: 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 tunes to choose from. 5 Levels Volume & LED Flash: 5 levels of volume ranging 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. High-frequency Technology: Uses adaptive high-frequency technology with strong anti-interference performance, providing a range of over 500ft/150m in open areas. Offers strong signal penetration and stability through multiple walls. Call Button for Elderly at Home: The caregiver pager is a simple and efficient assistive device designed for patient and elderly fall alerts, serving as a helpful tool for monitoring. The receiver can be placed in various locations, and the panic button can be kept in a pocket, attached to a wheelchair, placed by the bedside or on the washroom wall, or worn as a personal alarm necklace. Customizable & Expandable: Expand your existing calling system with up to 16 transmitters and unlimited receivers. Each transmitter can be set to different or identical melodies. Ideal for use in multiple rooms or as a medical alert system.