1.4group alarm timer 2.patent product 3.EL back light 4.different alarm sounds 5.1XCR2032 button cell   patent 4group alarm timer Digital pill box with Different alarm sounds instruct you to take pills from which compartment.   1. Large four compartments for pills.2. Large six buttons for easy operation.3. 24 hours alarm clock.4. Up to 4 alarms per day.5. Different alarm sounds instruct you to take pills from which compartment.6. EL back light.7. Battery: 1×CR2032 button cell (included) Packing: Inner Packing: Blister