... 1,Water-resist,strong &durable 2,Entire stainless steel body 3,Great concealed,waterproof 5 years free repair,one year ... wall or equipment etc as a checkpoint.Entire stainless steel body,great concealed,waterproof,Working life up to 20 yearsPatrolmanHUA- ... in the stainless steel case ,water-resistant.strong & durable.Used as patrolman identification.Guard tour monitoring in shopping mall, supermarkets ...