SVP Model LCS770 Siren & Switch Control Sets The Standard In The Emergency Services Industry. It Is Designed To Run One Or Two Speakers With Enhanced Sound Penetration. Features: Radio Re-broadcast, Air Horn, Manual, Wail, Yelp And PHASER Modes. The Backlit Faceplate Has a Push-Button For Manual Modes And a Volume Control. Also Features Horn Ring Override, P.A. Override And Noise Canceling Circuitry. Has 3 stage progressive slide switch and 4 push buttons. Measures: 6.5”L x 3”H x 6”W. Model LCS770...Only $299.99 LCS770Regular price: $699.99Sale price: $429.99 Customer Pays All Shipping Charges. Pay securely with your Visa, Master Card, Discover/Novus or PayPal with our easy checkout! Note: Purchase orders will be accepted only by municipalities and pre-approved before check out completion and Purchase Order Number received. All others will be immediately rejected and transaction voided. Place your order by Internet, Phone or stop by our Store for the same low internet prices!