Model Number: ELS207 Brand Name: Senken Key Specifications/Special Features: Operates single 100/150 speakerDesigned with new tone procedures, comprehensively improve warning effectiveness 8 primary operating modes: Radio, Aux, Wail, Yelp, Pir,Air-horn override, user selectable tone and pushbutton manual overrideWith exterior trigger function: when siren is turned on, Wail, Yelp and Pir can be activated from steering wheel horn ring, convenient for driver to operateHas the polarity protection function 2-color backlight indicator conveniently for night operation

Tones are ready to be customized

With light control function

Volume of warning sound can be adjusted