... mode, Constant mode (change mode by pressing the button) . Surface Color: Any color is available ... 2000PCS Delivery Time: 20DaysUsage: light up in the dark when you ride a bike.Commitment:1. High quality ... your own logo! we always do the best for you!Payment1.PayPal, Alipay,T/T,L ... /C,Western Union2.30% down payment before produce.70% balance money before delievry. the ...