1. Kids Waterproof safety alarm with small size 50*55*34.5mm;
2. Creative design with a keyring and wrist strap,two ways for carrying.
3. Replaceable button battery for waterproof alarm buzzer,easy to replace new battery.
4. Environmental protection ABS plastic shell with electronic modules.
How to use this waterproof students safety alarm?
1. Pull out the metal pin by hand strap to activate alarm,and Insert back the metal pin to turn off the alarm. Or press the alarm button to activate alarm.Two way to active alarm.
Easy to operate,children and elder can be easy to use it.
2. Warning : The alarm sound is very loud, Not put the alarm to close ears,specially kids.
3. When the safety alarms sound goes low,please remove the screws to replace new battery.