SVP Model LCS880 Unistar Command Center Siren System Is All The Control You Want Right In The Palm Of Your Hand. The LCS880 Allows You To Operate a Fully Functional Light Bar (with a 3 stage progressive slide switch), Siren Functions And Four Auxiliary Functions From a Hand Held Microphone. The Siren Is Backlit For Ease Of Use At Night. Can Be Connected To One Or Two 100 Watt Speakers. No Other Siren Offers So Many Options In Such a Small Package At This Very Affordable Price! Measures: (Siren Box) 8”L x 2.5”H x 7”L. (Hand Set) 6.75”L x 1.5”H x 2”W. Click on image to enlarge.