Helps to ensure that medications are taken properly and on time. It’s fully automatic, simple to sue, easy to set-up and is lockable with key. Long duration buzzer sounds continuously until the pills are removed. Holds one week supply of pills – up to four times per day. 28 compartments can hold up to 18 aspirin size pills. Low battery alert. Tamper proof. The optional spare tray allows a caregiver to preload a tray and easily exchange it with the empty tray.