|1. adopts double-layer aluminium alloy boards structure and sector design, which has distinct outline stronger percusion-resistant capability, and is not easy to lose color and get aged.
2. Built-in big power LED light source and with strong bright flash, low power loss, also has good feature of long service life, super bright, strong background light resistance and powerfull penetrating ability, good warning effect and wide application.
||Red,blue,amber,white and green|