The Model 4000 ALERT is a 12-volt, powerful 50-watt electronic siren that has three different functional siren sounds - WAIL, YELP, AIR HORN and P.A system. Built with state-ofôthe-electronics throughout to provide years of dependable service. The compact size of the siren controller makes mounting possible in vehicles that have little open space available in the dash area. The three emergency sounds and public address system have a full range of adjustable sound output, which is controlled by a simple turn of the rotary volume control. Select air horn or siren sounds by the simple press of a push button. The Model 4000 is great for volunteer fire personnel in states that permit use of sirens. Comes complete with a 100 RMS speaker, plug-in microphone, metal mounting bracket and mounting hardware. Instructions in English / Spanish

WOLO MANUFACTURING CORP. is the leader in horns (electric, air, truck, marine, electronic specialty, air & back-up alarms) offering the highest quality and the largest selection for cars, trucks and industrial equipment. Wolo also offers a complete product line of vehicle emergency warning lights. Wolo has supplied innovative automotive accessories: horns, emergency warning lights, security and lighting, to the aftermarket for 40 years. All of our products are made to the highest quality to give the vehicle owner many years of dependable service.

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
• L 4 x W 3-3/8£ x H 1£
• Metal case and mounting bracket
• Weight 1.5 pounds

Speaker
• 100-watt
• L 7-3/8 x W 6-1/2£ x H 4-1/2£
• Metal mounting bracket
• Weight 6 pound