Pocket size pill box reminder can be worn round the neck and pre-set to sound when you are due to take your medication. With a real time display, audible alarm and flashing light, the reminder can also be used to store your pills inside the easy to slide open container. Timer can be set to count down for up to 19 hours 59 minutes and to count up to 19 minutes 50 seconds. Not suitable for multiple settings. Requires 1 x 1.5V button cell battery (included).