This is the Nikon genuine Speedlight, the SB-15 (^^) It has a guide number of 25 and supports TTL auto flash control with compatible Nikon SLR cameras, as well as external auto flash and manual flash. The following operations have been confirmed: ・Power on: OK ・Flash firing: OK ・Bounce function: OK There are no noticeable scratches or other damage. There is no battery chamber leakage. Please check the photos for details. A printout from the web showing the names and specifications of each part will be included. Instant purchase is welcome! *Batteries are not included (uses 4 standard AA batteries) -------------------------------------------------- I am selling many Nikon products, and bulk purchases are welcome! ↓↓ Nikon SPEEDLIGHT SB-15 【Excellent+++++】 KG55-B