[new] Security buzzer KYU

It's a security buzzer 120db louder than the siren of a police car Just pull out the pin on the chain to make the sound. Can be used many times with a replaceable battery Very small and can be carried around like a charm Please enjoy our life with this item! Pre-sale at 2023.11.11 “DESIGN FESTA 58” material ABS size 42×33×14.5mm Others (attached) Lithium battery CR2016 (3V) x 2 or Lithium battery CR2032 (3V) x 1 piece Notes ・Please check the amount of electricity regularly to ensure that the product is working properly. - If the alarm sound does not sound or the volume becomes weak, check the battery power and replace the battery. - When installing the battery, make sure that the stopper is inserted to prevent the alarm from sounding accidentally.