Description:
Sound frequency: about 130dB
Material: ABS
Power:3*LR44 Button Battery
Suitable for students, joggers, seniors, disabled people, night workers and single people.
When you have a problem related to danger or a bad person, please protect yourself from the risk.
Color:Black,Silver,Purple
Usage:
Pull out the alarm line and shake it
Sound frequency: about 130dB
Material: ABS
Power:3*LR44 Button Battery
Suitable for students, joggers, seniors, disabled people, night workers and single people.
When you have a problem related to danger or a bad person, please protect yourself from the risk.
Color:Black,Silver,Purple
Usage:
Pull out the alarm line and shake it