Ciclonyx Intelligent Bicycle Rear Light Mountain Bike Rear Light Wireless Remote Biycle Rear / Tail Light with Turn Signals Remote Control wireless remote controller:turning left /right,yellow color will flicker slowly and red color marquees two yellow led indicate the left and right steamline led light:70% bright and flickering when riding,100%bright when braking or slow down Build by PC+ABS plastic, it is durable with powerful resistance to sunshine, rain and shake.Ingenious streamline exterior and lighting design is very cool and dynamic.Adjustable in 180 degrees. SOS signal/Red laser light,Waterproof: IPX4 Turning mode:turn right, turn left. 3 flashing modes:flashing, steady, cross-flash. 2 laser modes:steady, flashing.Equipped 2 USB rechargeable 18650 batteries without loading.