Otennlux 50.5mm 24V 3colors 3 layers led stack light with buzzer ,use of double mirror structure to produce vivid color recognition effect wiwth minimal LED
Otennlux 50.5mm 24V 3colors 3 layers led stack light with buzzer ,use of double mirror structure to produce vivid color recognition effect wiwth minimal LED
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
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