Kit to use:
1 Attach a button battery， if the lid is not good cover， you can cover with a coin would be more convenient cover.
2 batteries installed， the kit will be displayed above the flashing numbers 12:00， this time you can set the current time， press the "h" to set the hour， press the "m" is set points， a good job and press the "st / sp" confirm.
3 Set medication reminder time， this is the countdown time， press when "h" and "m" digits flash， press "h" set hour， press "m" hours， press "st / sp" set up after confirmation .
4 Check the settings are correct， press to do "h" for about 5 seconds you can see the status of the above two set time.

http://www.aliexpress.com/store/group/Storage%20Boxes%20&%20Bins/1353060_506554029/1.html