This product has an 130 db alarm can be heard up to 1,000 feet/ 300 m away (over the length of 3 football fields), helping to deter attackers and alert other you need help.It has a compact design makes it easy to bring on the go and keychain easily attaches to keys, purses, or bags.To use simply pull the metal chain to sound the alarm.So silence the alarm just push the pin back in to stop sound and use again.

Type: Alarm Key Ring
Decibels: 130 dB
Color: Red