The Godox IT20 N Black Iflash TTL camera flash is specifically designed for Nikon DSLR and mirrorless camera systems. This compact flash unit features TTL automatic exposure control for precise flash performance in various lighting conditions. With a guide number of 20 meters at ISO 100, it provides sufficient illumination for indoor shots and close-range outdoor photography. The flash head allows for both horizontal and vertical rotation for bounce flash techniques. It includes a built-in diffuser to reduce harsh shadows and create naturally looking portraits. The IT20 N operates on two AA batteries and delivers approximately 200 full-power flashes per battery set. It supports high-speed synchronization up to 1/8000 second, enabling photographers to work with a wide aperture in bright light. The flash boasts a short recycling time of about 3 seconds and features overheating protection for reliable performance during extended shooting sessions. Compatibility includes most Nikon cameras with TTL functionality, although users should check specific model compatibility. The compact design measures approximately 70 mm in width, 100 mm in height, and 35 mm in depth, weighing around 180 grams without batteries. This flash unit is ideal for photographers seeking a lightweight, portable lighting solution for everyday photography needs.