Item name:LED ceiling flash light Item no.:RDH510-34-A RDH510-34-B RDH510-34 ... blue,white,ect. Voltage:12VDC Usage:decoration for car windscreen,ceiling,ect. Flashing ways: Take RDH510-34-C as an ... example,switch on the light left side,a red bottom switch,with 3 kinds of ... . Fisrt push:red, blue color flashed alternative,up and down in red,middle in blue. Second push:red,blue colors ...