Otennlux 56mm 24V 3colors 3 layers led stack light with louder buzzer ,this item is economical type,if your target price is low, this item can meet your need
Otennlux 50mm 24V 3colors 3 layers led stack light with louder buzzer ,this item is economical type,if your target price is low, this item can meet your need
Otennlux IP67 waterproof led tricolor RYG signal bar light
The tricolor light bar is made of aluminum alloy, easy to dissipater heat and resist impact.