Personal alarm(KC)

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Product specifications:
-power:3*1.5v(AG13button cell )=4.5v included
-Product size: 55*41*20mm
-package size: 13*10cm
-N.W.: 25g
-G.W.: 36g

When you need help, you can pull out the pull pin. It emits an alarm sound instantaneously.
Ideal for protecting children, joggers, elder, disabled, night shift workers or people who live alone.