Description/Features: Upgrade your AD400 Pro with our high-quality replacement mainboard. This motherboard is specifically designed to fit perfectly with your AD400 Pro, ensuring a seamless integration. Direct Replacement: Designed to match the original specifications of the for AD400 Pro for a and hassle-free installation. Enhanced Performance: Revitalize your equipment's functionality with a fresh motherboard, ensuring your flash operates like new. Integrated LCD Display: Comes equipped with an LCD screen for easy control and monitoring of your flash settings. and Reliable: Manufactured with robust materials to withstand rigorous use in professional photography environments. your AD400 Pro continues to perform at its best with this essential replacement part. Specifications: Color: Green Material: Metal Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x Mainboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.