Keychai alarm, Xavax, green Bl

Personal alarms perfect to bring as you move in environments that are unsafe. Can be attached to a keychain or on the handbag. Small and handy and with powerful audio signal of 110 dB. For emergencies to deter attackers. Pull out the metal pin to trigger the alarm. Replace the pin to stop the alarm. Powered with 4 alkaline button cells, LR41, 1.5V supplied.