Type:JY-2 QTY:100/inbox PACKAGE:paper box MODEL NO:10*5*4.3cm Detailed information is controlled by CMOS chip, its sensitivity, volume and tone can be adjusted, and crust waterproof performance is good. Chain wheel used for string drawing is bracket, which will not injure masterstroke, small volume, light weight, superior performance, novel design. It is a kind of hi-tech product, when fish bites clasp or line is looped, annunciator gives out alarming of sound and light, to give a signal to the fisher, by which to exempt attention to buoy when fishing, to realize multiple poles in charge by one people. It is suitable for being used as sea rod and fishing rod..