This is a security alarm that provides peace of mind for kindergarten and school entrance. [Includes Japanese instruction manual.] It comes with an LED light for safety on dark roads. Product Name: Personal Alarm AJ-9400 Size: Diameter: approx. 9.2 cm (when pin is retracted) Thickness: approx. 2 cm Maximum width: approx. 3 cm Batteries: 2 x AAA alkaline batteries (test batteries included) - Color: Pink - Volume: 130dB ★ Comments regarding the product and handling of purchases ・We apologize, but we will only be able to respond and process purchases until 3 PM on weekdays. ・We cannot respond on Saturdays, Sundays, or public holidays. ・Please understand that there may be a delay in responses and shipping.