Chikawa Hachiware Security Alarm This alarm sounds an 85dB buzzer simply by pulling the main unit. It's perfect not only for commuting to school, but also for travel, camping, and returning from cram school. *Age Recommendation: 6 years and older Size: Approximately H110 x W45 x D20mm Weight: Approximately 38g Materials: ABS, Epoxy Resin, POM, Iron, Zinc Alloy, Brass Made in China *Battery Type: CR2032 Opened, but new and unused. Includes battery (battery is unopened) Price not negotiable Instant purchase available ◎