Garmin chirp™ Wireless Beacon
chirp is a one-of-a-kind wireless beacon designed specifically for the outdoor adventures of geocaching. Affordable, durable and waterproof, chirp can communicate with, and be programmed by, any compatible¹ wireless-enabled Garmin handheld (sold separately). chirp stores hints, multicache coordinates, counts visitors and confirms the cache is nearby. chirp is password protected and has a battery life of up to 1 year.