These LED lights are mostly used for construction and agricultural machinery, forest transport, off-road machinery, ships. Wide voltage range, the lamp can be connected to both 12V - 24V. A special EMC filter that suppresses extraneous noise does not interfere with radio waves, light control modules, GPS systems and so on. Each LED is independent of the other - if you break one, the others are still lit. The aluminum alloy housing provides self-cooling. Resistant to water, dust, vibration and atmosphere