Best Seller | FEDERAL SIGNAL 210238-S Back-Up Alarm,87dB Vehicle Backup Alarm, Alarm Type Fixed, Alarm Tone Type Tonal, Maximum Sound Level 87 dB, Operating Voltage 12-24V DC, Minimum Sound Level 87 dB, Overall Length 4 1/8 in, Overall Width 1 5/16 in, Overall Height 2 5/8 in, SAE Type Rating Type D,... ... more FEDERAL SIGNAL 210238-S Back-Up Alarm,87dB Vehicle Backup Alarm, Alarm Type Fixed, Alarm Tone Type Tonal, Maximum Sound Level 87 dB, Operating Voltage 12-24V DC, Minimum Sound Level 87 dB, Overall Length 4 1/8 in, Overall Width 1 5/16 in, Overall Height 2 5/8 in, SAE Type Rating Type D,... | | $27.29 go to store |