Take your photography to the next level with the Green Extreme Professional Power Battery Grip, specifically designed for Sony a9 III and a1 II MSLR Cameras. This high-quality, reliable accessory is a must-have for professional photographers and videographers, offering enhanced ergonomics and extended battery life for your Sony camera.Engineered to seamlessly integrate with your camera's functions, this sturdy battery grip mirrors the design and feel of your Sony a9 III and a1 II MSLR, providing a comfortable and secure grip. It's equipped with a twin cell chamber that can accommodate one or two NP-FZ100 battery modules, effectively doubling your camera's battery power. This means you can enjoy longer shooting sessions without the need to frequently change batteries, making it an ideal choice for extended shoots or remote locations.The Green Extreme Professional Power Battery Grip is more than just a battery extender; it's a smart accessory that uses inserted batteries in a sequential power reserve, displaying the status in real-time. This ensures consistent performance, even when shooting at a high-speed continuous mode of six frames per second.Designed with the user in mind, this battery grip features a non-slip rubberized grip for perfect balance in any direction. It also includes full vertical shooting controls that can be independently turned on or off as needed, enhancing camera handling and making vertical picture shooting a breeze.In addition to its ergonomic design, the grip boasts a range of operating controls, including a shutter button, Main Dial, multi-controller, AF point selection button, AE lock/FE lock button, AF start button, and multi-function button. The base of the grip features a standard 1/4" -20 tripod socket and a hand strap mount for added convenience. Plus, your camera's original battery door fits snugly in a hidden protective slot for instant retrieval, ensuring your camera remains secure and protected.In summary, the Green Extreme Professional Power Battery Grip for Sony A9 III and A1 II MSLR Cameras is a durable, reliable, and professional-grade accessory that enhances your camera's functionality and your overall shooting experience.