Price:Negotiable
Brand:WD

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: 20 high-brightness LED
Double-side display
Waterproof design
Fast dismantling
Size: 18 x 20cm
Weight: 15g (battery included35g)
Suitable wheel size: 20 inches orabove, wire length is 14.7cm and above
Support accessories: Micro SD MemoryCard(for wireless remote controller)
Max Battery Life: 24 ~ 40 hours(depending on the size of LED display)
Power source: 2 pcs of AAAbatteries
LED color: white, red, blue, green,orange, yellow, color (either of one)  and colorful