Predicted to enable 3',5'-cyclic-GMP phosphodiesterase activity and cGMP binding activity. Predicted to be involved in positive regulation of G protein-coupled receptor signaling pathway and positive regulation of epidermal growth factor receptor signaling pathway. Predicted to act upstream of or within positive regulation of MAPK cascade. Predicted to be active in photoreceptor outer segment membrane. Orthologous to human PDE6H (phosphodiesterase 6H). [provided by Alliance of Genome Resources, Apr 2022]