Brake flasher light *4 flashing patterns to choose from *5 led lights *clip to belt for use when jogging *swivel mounting bracket included *strong power when brake. *inner box:19*12*21 cm(5pcs/ctn) *carton size:39*25*22.5 cm(20pcs/ctn) *g.W.:2.5 kgs *n.W.:1.8 kgs