We offer a range of high-quality traffic signal lights, including red, yellow, and green options, perfect for enhancing safety on school buses. Our School Bus "STOP" Arm Mechanism is designed to effectively signal when the bus is stopped, ensuring that students can exit safely while alerting oncoming vehicles to proceed with caution. **Product Features:** - **Type:** School Bus Stop Sign / School Bus Parking Sign - **Installation Location:** Mounted on the side of the bus body, just below window height for optimal visibility - **Material:** Durable aluminum plate for long-lasting performance - **Working Voltage:** Compatible with DC 12V/24V systems - **Control Mode:** Operates both electrically and manually - **Flip Angle:** Electric operation allows for a 90°±2° rotation - **Protection Rating:** IP65, ensuring it withstands various weather conditions - **Operating Temperature:** Functional in temperatures from -35℃ to 75℃ - **Theoretical Lifespan:** Designed for over 250,000 cycles of use **Packing List:** - 1 x School Bus Stop Sign - 1 x Installation Accessories Pack - 1 x Instruction Manual **Installation Instructions:** 1. Choose the installation location carefully, ensuring no obstruction of the lights or vehicle doors. 2. Secure the base by drilling holes in the marked locations on the vehicle body, avoiding critical components. 3. Attach the base to the vehicle with bolts and apply waterproof sealant. 4. Install the reflective STOP sign at the end of the arm, ensuring that the text faces outward and is level. **Maintenance Tips:** - Regularly check that the support arm screws are tight. - Clean the STOP sign to maintain the visibility of the reflective coating. - Lubricate quarterly by applying lubricant to the spindle and support arm for smooth operation. **Warm Tips:** - Minor 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 Guara...