Check the listing for details. Life alert systems for seniors no monthly fee,Elderly Monitoring Nurse Emergency. Color: Black, Condition: New, Made in China. Listed at 30.99 USD. LIKEPAI Caregiver Pager Wireless Call Button,Elderly Monitoring Nurse Emergency kit 1 sos call button + 2 wall plug-in receivers+1 hanging rope+1 battery New SOS call bell button design for 2024. One-piece silicone is more waterproof with better performance, flying saucer triangle appearance design is better looking, more wearing and installation ways to adapt to more application scenarios. Can DIY combine products: An LED digital display receiver can support up to 20 SOS button emitters working together,55 chimes. This way, if you need it, you can purchase more one click help pagers to expand the product yourself to meet your needs. Can DIY more receivers: You may need more receivers, some on the first floor, some on the second floor, some on the third floor or in different offices.LIKEPAI Caregiver Pager Wireless Call Button,Elderly Monitoring Nurse Emergency kit 1 sos call button + 2 wall plug-in receivers+1 hanging rope+1 battery New SOS call bell button design for 2024. One-piece silicone is more waterproof with better performance, flying saucer triangle appearance design is better looking, more wearing and installation ways to adapt to more application scenarios. Can DIY combine products: An LED digital display receiver can support up to 20 SOS button emitters working together,55 chimes. This way, if you need it, you can purchase more one click help pagers to expand the product yourself to meet your needs. Can DIY more receivers: You may need more receivers, some on the first floor, some on the second floor, some on the third floor or in different offices.