Nikon SB-20 Speedlight, with TTL and bounce function, and ISO sensitivity settings. - Model: SB-20 - Brand: Nikon - Functions: TTL, A-M, M mode - ISO Sensitivity Settings: ISO 25, 50, 100, 200, 400, 800, 1600 - Angle Adjustment: 45 degrees, 60 degrees, 75 degrees, 90 degrees - Bounce Function: Yes Thank you for viewing.