WA police seek man over child material

A man is being sought by police in Perth to help with inquiries over child exploitation material.

Carl Simon Ronald Franklin, of Gosnells, is described as about 180cm tall, with a slim build, black hair and brown eyes.

Police say the 33-year-old is travelling and frequents the Warwick area in Perth's north, but may be living on the street or at different addresses.

The public are advised not to approach him.