This IED Training Aid Siren has a long history of successful use in many IED training aids built over the last 10 years.
This siren is very loud at 100dB! Easily driven by a 9V or 12V Gell Cell, your trainees will know when they screwed up.
Piezo Siren - 2 Tone Loud two-tone siren for auto or home security applications.
Operates 6-18 Vdc, 100db output, 100mA@12VDC. Osc. frequency 4.4KHz.
Two mounting holes on diagonal 1.8" center; 6" wire leads, 1.9" x 1.5" x 0.9".