We provide a variety of high-quality traffic signal lights in vibrant red, yellow, and green—perfect for ensuring safety on the road. **School Bus "STOP" Arm Mechanism:** This product is thoughtfully designed to signal when the school bus has stopped, allowing students to exit safely while alerting oncoming vehicles. Enhance safety and compliance with this essential tool for school transportation. **Key Features:** - **Product Type:** School Bus Stop Sign - **Installation Location:** Mounted on the side of the bus body, just below window height for optimal visibility - **Material:** Durable aluminum for long-lasting performance - **Working Voltage:** Compatible with DC 12V/24V systems - **Control Mode:** Both electric and manual operations - **Flip Angle:** Adjustable electric flip at 90°±2° for maximum visibility - **Protection Grade:** IP65, ensuring durability in various weather conditions - **Ambient Temperature Range:** Functions effectively from -35°C to 75°C - **Theoretical Lifespan:** Designed to last over 250,000 cycles **Installation Instructions:** 1. Identify the installation location, ensuring it does not obstruct lights or vehicle doors. 2. Secure the base by drilling holes in the pre-marked spots on the vehicle body, avoiding sensitive components. Fasten the base with bolts and apply waterproof sealant. 3. Attach the STOP sign to the arm, ensuring the reflective text is facing outward and remains level. **Maintenance Tips:** 1. Regularly check for loose screws on the support arm and tighten as needed. 2. Keep the STOP sign clean to ensure the reflective coating remains effective. 3. Lubricate quarterly by applying lubricant to the spindle and support arm. **Warm Tips:** - Slight color variations may occur due to different lighting conditions during photography. - A measurement error of 1-3 cm may exist due to manual measurement. **After-Sales Guarantee:** If you have any questions or concerns about this product before or after your purcha...