ROHA Timer Remote Shutter with digital display, featuring a self-timer function via USB connection. I purchased this but never used it, so it has been in storage. Operation has been confirmed. This listing is for the main unit only. It requires two AAA batteries, which the buyer will need to provide. - Brand: ROHA - Model Name: Timer Remote Shutter - Connectivity: USB - Features: Self-timer function - Display: Digital Display Thank you for looking.