
Backup Alarm Reversing Speakers Bibi Siren for Truck Trailers. High Sound Output: Delivers 117dB high-pitch sound frequency for effective backup alarms. Wide Voltage Range: Operates on 12V-48V DC systems suitable for various truck trailers. Long Service Life: Endures over 100,000 switching cycles for reliable long-term performance. OEM and ODM Support: Offers flexible customization from samples, designs, and full customization. Quality Certifications: ISO9001 certified with CE and ECE compliance for international standards. Robust Construction: Made of durable plastic with electromagnetic energy exchanging mechanism. Comprehensive Warranty: Includes a 6-month warranty covering mechanical defects. Fast Delivery: Standard delivery time is 30 days from order confirmation.