High Safety Alert】School Bus Stop Arm enhances student protection with luminous flashing LEDs and a high-visibility reflective board. It warns approaching drivers when children are boarding or exiting, ensuring reliable awareness in school zones and improving roadway safety Enhanced Visibility】Electric Stop Sign uses prismatic reflective film and powerful LED flashers for long-distance recognition. Designed for day and night use, it boosts driver awareness and supports safe student crossing, making it essential school bus safety equipment. Durable Construction】Flashing Stop Sign features a heavy-duty aluminum body, UV-resistant materials, and weatherproof engineering plastics that withstand harsh outdoor environments. Rust-proof, impact-resistant, and built for long-term reliability in all climates. Reliable Performance】Stop Arm semaphore includes a patented clutch mechanism supporting 100K+ electric flips and stable manual . Its magnetic auto-locking prevents vibration or accidental movement, ensuring dependable deployment in every traffic condition. Service: We value our customers' shopping experience. If you have any questions, please feel free to contact us, and we will respond as soon as possible within 24 hours