... attach the timer28 compartments 7-day pill box with digital timer, 28 compartments 7-day pill reminder ... 4 daily alarms 7-day medicine box timer with 28 compartments, 28 compartments 4 alarms pill reminder ... box, 4 daily alarms weekly medince box with digital timer with 28 compartmentsSpecifications:1. Large 28 compartments for ... 9.9 x 3.2 x 0.8cm, with keychain and magnet(optional)8. Operated by 2 AAA ...