yistech Caregiver Pager Door Alarms for Dementia Patients/Kids Safety/Home Security,Wireless Door Alarm Sensor for Elderly/Business/Home/Store (Three Sensor One Receiver) is up for auction in Health & Household. The current bid is $4.50, 86% below the $32.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.