... Solar warning light with 4 LED and 2 reflectors ---Visible distance: more than 500m Solar warning light specification . 1. Solar Panel: 3.5V/78mA, high efficient monocrystalline silicon solar ... 6. Running time: flashing lighting model can be light last for 100 hours after full charge.constant lighting ... on truck or wall ,guardrail for safety . solar warning light,amber warning lamp ,solar signal light