BACK-UP ALARM | 90460 KNS Accessories » Antique Car Parts » Custom » Custom - ELECTRICAL AND MECHANICAL » Custom - Alarms and Alerts » BACK-UP ALARM | 90460 Increase additional safety when backing up Beep-Beep Sound 12V Each Related Products ULTRA SONIC ANIMAL ALERTS | 81990 TURN SIGNAL AND HAZARD WARNING SWITCHES | 50080 TURN SIGNAL AND HAZARD WARNING SWITCHES | 50070 ULTRA SONIC ANIMAL ALERTS | 81991