1.Small size and light-weight.
2.Metal pull pin(hand strap not include).
3.Used spotlight in dark area.
4.Built-in 120db high output alarm.
5.When you need help, you can pull out the metal pull pin. it emit a alarm sound
instantaneously. Ideal for protecting joggers, elder, disabled, night shift workers or people who live alone.
Specification

Operated by battery ( 23A,12v )
2.Product size: 69*42*23 mm.in blister with blister card.