This Nikon SB-25 Speedlight Flash has been thoroughly tested and is fully functional. It is a great addition to any photographer's collection, providing excellent lighting for your photos. The flash is designed for use with Nikon cameras and is compatible with a range of models. With its compact design and easy-to-use interface, it is perfect for both amateur and professional photographers. The flash is in excellent condition and has been well-maintained, ensuring that it will provide many years of reliable service.