Upgrade Wireless Caregiver Pager Door Sensor Alarm for Elderly Dementia Patients, Door Open Chime Alert Kit for Kids Safety/Home/Store/Business with Door Sensor+Plug-in Receiver (1 Sensor 1 Receiver)
- Easy installation: Plug and Play, Plug the Receiver into an standard Outlet, tear the double-side adhesive tape of the Door / Window sensor and stick them to any door or window..
- Customize and Expandable. Each receiver can work with 50 door window magnetic sensors, each transmitter can pair with 20pcs receivers and set to different or same music. 100 Days Full Refund or Replacement (If the order is over 30 days, please contact us by email.).Not satisfied with our product? Return it to us within 100 days and get 100% of your money back!.