Thank you for viewing. This is a KUTSUWA security alarm. Clip-on Security Alarm This is a cool emblem-shaped security alarm with a clip that can be attached to clothes or bags. The pull pin has a crest design. The pin does not come out completely, so there is no worry of losing it. It is waterproof (waterproof protection level 4), so it is safe even in the rain. When the pin is pulled, a loud sound of up to 89dB will sound. Uses 2 coin-shaped lithium batteries CR2032 (trial batteries included) and is a certified superior security alarm. #SecurityAlarm #SchoolEntrancePreparation #Kutsuwa #Boys