100 Watt Undercover Siren Features: Four Function, Wail, Yelp, Phaser And Air Horn Tones! Complete With Center Off Switch For Wail & Yelp Tones And a Momentary Switch For Phaser & Air Horn Tones. Remote Control Panel Is Compact And Can Fit Just About Anywhere Under Dash. Siren Box Measures: 5.4"L x 2.5"H x 4.5"W. 30-2104$179.99 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!