Model 4001: ALERT three tone siren amplifier, ó WAILER ó YELP ó AIR HORN, 12-volt 50-watt. The amplifier compact and streamlined and the painted metal mounting bracket permits the siren to be easily mounted under the dash or on a console. Kit comes complete with noise-canceling P.A. microphone, mounting bracket, hardware, and wiring harness. Features an on /off volume control, allowing the user to adjust the siren or P.A. system from soft to loud. Change the siren tones with the simple press of a button. Instructions printed in English and Spanish.

OPERATION OF SIREN:

Siren #1 Yelp push & release control button, siren turns on/off so operator can make unique emergency siren sound.
Siren # 2 Wail push control button and siren turns on and stays on until control button is pressed a second time.
AIR HORN push & release control button, air horn turns on/off so operator can make unique emergency sound.
MICROPHONE the P.A system is controlled by the microphone provided.
Specifications:

Siren controller
12-volt / 50 watts maximum output

L 4 x W 3-3/8£ x H 1£

Metal case and mounting bracket

Weight 1.5 pounds