Self-expiring Half-day TIMEtoken Indicators (P/N T641X)Self expiring Half day TIMEtoken Indicators Half day expiration. Must be used with timetoken backparts for it to expire. Size = 15 16" x 1 15 16" . Comes in a pack of 1000. Getting control of your visitor management and maintaining it is very important in today's world. You need to know who is in your building and what areas they are authorized to access. Visitor management is crucial to completing a secure work, study, or recreation environment. Log