text: Free Delivery - Garmin Chirp Wireless Geocaching Beacon - 010-11092-20
  Trip computer screen showing chirp detection indication on dashboard (on an Oregon) chirp can be programmed by any compatible wireless-enabled Garmin handheld to store geocaching hints and other information. When other geocachers arrive near your cache, they'll be alerted that the cache is nearby, and then they'll be able to access the hints you've loaded into chirp. And when you return, chirp will tell you how many visitors have been to your cache.