For those interested, I'm selling this. Please purchase with the understanding that it is old. The battery pack seems to be deteriorated, so I don't think it can be used. Thank you. AI Summary This is a Toshiba strobe (flash) "CUSTOM S". The model number may be TS-90. It is used as a camera accessory. It is a device that emits artificial light for photography. It is a type that uses a rechargeable battery pack. Toshiba CUSTOM SⅡ strobe, AC connection model with light meter. - Brand: Toshiba - Model Name: CUSTOM SⅡ - Connection Type: AC connection - Features: With light meter Thank you for looking.