Temtec: Tempbadge. (Products: special section: school security).

www.tempbadge.com, $85 for a trial pack of 1,000 stickers

Issuing passes for visitors is easy, but what about collecting them when people leave? This Suffern, N.Y., company makes self-expiring school security visitor passes. These badges change color automatically, alerting school personnel and students to someone who is in school too long.

CIRCLE #517 FOR INFORMATION

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