1. Material: cast aluminum + PC 2. Working time: 8 hours of exposure can be continuously supported for 72 hours, and it can work continuously for 150 hours on a rainy day when fully charged 3. Power supply: 2.5V/120MA 4. Energy storage device: high temperature battery 1.2V/600mAh 5. Service life: effective use for 3 years 6. Adopt Taineng board for long life 7. Adopting solid core sealing technology, high pressure resistance, waterproof grade IP65 8. High-brightness LED traffic light beads provide a good warning effect 9. Dimensions: 107x95x23mm