
Yongxing 22mm Loud and Intermittent LED Sound and Light Alarm Buzzer. Custom Logo Options: Logo can be applied via laser or moulds on every product. Free Sample Testing: Free samples available for testing before placing an order. 12-Month Warranty: Comprehensive 12-month warranty coverage for all sold products. 24-Hour Support: Professional after-sales support with problem resolution within 24 hours. Multiple Certifications: Products certified with UL, ENEC, CE, CQC, and ISO9001 standards. Fast Delivery: Standard delivery time of 7-15 days after receiving advance payment. Advanced Manufacturing: Equipped with SMT workshops and automated production lines for quality assurance. High Durability: Mechanical life of 50,000 cycles and electronic life of 10,000 cycles.