This is the Hamsar H51012 Back Up Alarm, with a 107 dB sound output. This alarm will emit an audible alert when the vehicle it is installed on activates it's reverse gear.
-Horizontal and Vertical mounting
-Epoxy encapsulated solid state electronics
-Volume: 107 dB
-Operating temperature: -30°C tp +55°C
-Operating Voltage: 12/24 Vdc