28" Solar Yield Sign Reflective Solar Panel Signs Traffic LED Flashing Yield Sign Features: 1. Engineering-grade reflective film is used, which has strong reflective effect at night. 2. LED lamp beads, high-power lamp core, energy saving. 3. Solar charging panel, absorbs more light and charges faster, has a long life. 4. Intelligent light sensing control, more energy-saving after turning on, no flashing during the day and automatic flashing at night, more energy-saving and long-lasting. 5. Easy to install, U-shaped hoop frame (included). Product specifications: Name: Yield sign Material: Aluminum plate + reflective film + lamp beads Size: 71*71cm(28"*28") Power supply: Solar energy LED color: Red Brightness: 8000mcd Working temperature: -40~60 Service life: 100000h Visibility distance over 800 meters Working hour in rainy days:5~7days Applicable scenarios: highways, ramps, construction sites, near schools Warm tips: 1. Please check whether the LED light can work properly before installation. Turn on the switch first, then cover the solar panel to simulate the night state to see if the LED light can work properly. 2. The direction of the solar panel needs to be calibrated during installation. The direction that can receive the longest direct sunlight during the day is the best. 3. If not used for a long time, please turn off the switch to prevent the battery from running out.