Large Manually Operated Hand Crank Very Loud 139 dB. Air Raid Siren with Stand
Loki would convert your Air raid siren into a Brand New Manual Hand Crank Operated one with an adjustable sound damper. It does not need any outside power source. Has an effective range of almost a mile. Made out of heavy steel housing with aluminum stand. Ideal for getting barbarians' attention, alerting workers for lunchtime, or cheering your team in a sports event. It clamps-on, and mounts to a provided metal rail stand. Two-minute installation and you are set to sound the siren.
Sound level: 139 dB.