Usage Tips: [Take care of your family] 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 accept water/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-level of volume range from 0dB to 110dB, accommodate babies and light sleepers. Silent mode with just LED flash is available when you don't want to disturb others. [High-frequency Technology]: Using adaptive high-frequency technology and more anti-interference, over 500ft/150m in the open area, strong penetration and signal stability, can penetrate a few walls. [Call Button for Elderly at Home] The Caregiver pager is a simple and efficient assistive device designed for patient and elderly fall alarms, and is a powerful assistant for elderly monitoring. The receiver can be plugged in different positions, and the panic button can be placed in a pocket, attached to a wheelchair, bedside, washroom wall, or worn as a life alarm necklace. [Customizable & Expandable] Expand your existing calling system with up to 16 transmitters and unlimited receivers, and each transmitter can be set to different or identical music. As a result, you can use them in multiple rooms in your home or as a medical alarm system. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!