traffic light (yellow) visible distance at night: 1000meter Duration of the battery: over 120 hours 1) 3V;2) Sight distance: >500mvisible distance at night: 1000meter3) 2 x 1# alkaline batteries4) Duration of the battery: >120 hours5) Volume: 30 x 13.5 x Φ76) Body color or reflective color: red / yellow / white7) Flashing color: red / yellow / white Warning Light
[China Manufacturers]