Invented by a Pharmacist for patient compliance and safety to assist in taking your medication as directed. Perfect for caregivers, parents, seniors, students. The timer will show you in hours and minutes when you last took your medication. Universal fit on any prescription cap, pills, and liquid medicine such as Children's liquid medicine. All-In-One Pill Reminder - Pill Tracker - Medication Tracker - Pill Organizer. No programming, no alarms, no buttons to push or slide, and no stickers to attach to the bottle. The timer resets automatically every time after each closure. Forgetting what time you took your medicine is easy to do, but with the Medicine Timer, you can be confident that you are taking your medication dose at the right time, and avoid an accidental overdose. To reuse your timer simply transfer your current prescription cap to your refilled prescription. Order the Medicine Timer now and experience the peace of mind that comes with knowing you are administering that next dose accurately and safely. Made In China. Contains CR-1620 Button Cell Battery 3 V