Small size and light-weight.
Metal pull pin.
Built-in 110dB high output alarm to scare off intruders.
Ideal for attaching with mobile phones, bags, wallets, etc...
Suitable for joggers, elder, disabled, night shift workers or people who live alone.
3 x LR44 batteries
Product size (H x W x T):
34 x 34 x 25 mm