Features: Enhanced Battery Life for Your DSLR: Experience extended shooting sessions with doubled battery capacity, empowering you to capture more without the need for frequent swaps. Pro-Grade Functionality: Equipped with a professional-level design, this battery grip includes functional buttons and a dial, mirroring the controls of a top-tier camera accessory, enhancing your creative workflow. Comfortable Vertical Shooting Experience: Crafted for comfort, the grip allows for effortless vertical shooting, reducing hand fatigue and enabling you to maintain a steady grip for long periods. Seamless Integration and Operation: Seamlessly integrates with your DSLR, offering the same functionality as the original grip, ensuring a smooth and intuitive shooting experience. Specifications: Model: MB-D12 Applicable Model: For Nikon D810, for Nikon D800, for Nikon D800E Applicable Battery: For EN-EL15 or EN-EL18 battery, or 8pcs AA batteries (Batteries are not included) Size: 150.7*81*50.3mm Package Included: 1 x MB-D12 Battery Grip