Nocturnal Lights Single 12" Flex Arm + Mounting Tray Combo for Canon Underwater Camera Housing WP-DC17 for SD870 IS, WP-DC16 for A720 IS, WP-DC18 for A650, WP-DC24 for SD790 IS, WP-DC40 for S60 & S70, WP-DC19 for SD950, WP-DC26 for SD880 IS, WP-DC23 for SD770 IS, WP-DC6 for A710 IS, WP-DC70 for SD500, WP-DC60 for A510 & A520, WP-DC500 for S330, WP-DC800 for S400, S410 & S500, WP-DC21 for G9, WP-DC28 for G10, WP-DC22 for SD1100, AW-DC50 for SD450, WP-DC13 for SD1000, WP-DC1 for S80 Review