Vehicle Backup Alarm Alarm Type Fixed Alarm Tone Type Tonal Maximum Sound Level 102 dB Operating Voltage 12-24V DC Minimum Sound Level 102 dB Overall Length 5 in Overall Width 4 in Overall Height 2 5/8 in SAE Type Rating Type F Mount Type Bolt IP Rating IP67 Series 200 Series Speaker Direction Forward-Facing Vehicle Class 3 Color Gray Housing Material Plastic Current 0.5 A Features Self-Ground Option with Ground Wire Not Necessary Overall Diameter 1 5/8 in