This is the OM SYSTEM wireless remote control RM-WR1. I've used it a few times with my OM-1, but I'm selling it because I don't use it much. Please check the OM SYSTEM website for details on compatible cameras. It can be used with the OM-1 Mark II, OM-1, and OM-5. The original box, instruction manual, warranty card (undated), and wired remote cable are included. Also, the CR2032 battery used for the operation check is included, so you can use it right away. #OM SYSTEM #WirelessRemoteControl