The UBL Handheld Siren and Controller is the perfect all-in-one controller and siren at an affordable price. With fourteen programmable backlit buttons (9 for lights & 5 for siren tones), and six pre-programmed siren tones (with the ability to add up to 30 of your own tones), the UBL Handheld Siren/Controller is affordable without sacrificing features. The UBL Handheld Siren/Controller has all of the most popular features like horn ring, park kill, radio broadcast, and a built-in microphone in the handheld controller. You can also easily program the siren tones and volume on the handheld controller using a micro screwdriver to select the tone and volume that you need. With all these features the UBL Handheld Siren/Controller is perfect for police vehicles, firefighters, or anyone that is allowed to use a 100-watt siren.