alarm system for home Smart call button for home/pregnant woman/elderly/patient vibration pager (life alert collar) Caregiver pager call has 60 ringtones for yourchoice Operating range is approximately 262 feet / 80 meters in open area 5-level adjustable volume From 0 dB to 110 dB Easy operation (Plug and Play) Plug the receiver into an electrical outlet Life alert collar buttonSOS Waterproof IP55 Neck strap included The transmitter/call button is easy to carry, it can be put in the pocket or hung on the neck as a pendant.The transmitter/call button is waterproof.To shout for attention LED Flash Wireless caregiver pager idea is for both caregiver and patient/elderly/pregnant woman/kids while calling for help at home like kitchen/laundry room wh It is closed and noisy canbe installed separately. Make sure the patient/elderly call can be heard.Very suitable for the elderly. If you have any questions, please feel free to contact us. Wireless pager call button for seniors.