Want to sell my underwater strobe Sea & Sea YS-55, can be use as slave using optical cable (included on this sale; Sea & Sea YS25 optic cable). Age appx 1yr old, everything works. Location in Bali, Indonesia. Bought new for US$535(strobe) & US$49 for total of US$584(shipping charge not include). Want to sell for only US$300. Reason for sell? change system need bigger toy! - David <blueplanetbali@indo.net.id>