No flare, fusee, electric lantern or warning flag shall be used for the purpose of compliance with the requirements of this section, unless such equipment is of a type which has been submitted to the secretary of transportation and approved by the secretary. No portable reflector unit shall be used for the purpose of compliance with the requirements of this section, unless it is so designed and constructed as to be capable of reflecting red light clearly visible from all distances within six hundred (600) feet to one hundred (100) feet under normal atmospheric conditions at night when directly in front of lawful lower beams of head lamps, and unless it is of a type which has been submitted to and approved by the secretary of transportation.
K.S.A. 8-1744