The Olympus power battery holder HLD-5 is an accessory designed for use with select Olympus E-System digital SLR cameras. Here's an overview of its features: Olympus Power Battery Holder HLD-5: Extended Battery Life: The HLD-5 allows users to insert an additional battery (usually the same type used in the camera) to effectively double the camera's battery life. This is particularly useful for photographers who need to shoot for extended periods without access to charging facilities. Vertical Grip: The battery holder features a built-in vertical grip, which provides a more ergonomic and comfortable grip when shooting in the portrait orientation. This makes it easier to handle the camera, especially for extended shooting sessions. Shutter Release Button: To facilitate shooting in the portrait orientation, the battery holder typically includes a shutter release button, enabling photographers to take pictures without having to contort their hands or arms. Controls: In addition to the shutter release button, the battery holder may also feature other essential controls such as command dials, function buttons, and control wheels. These controls allow photographers to adjust settings easily, even when holding the camera vertically. Weather-Sealed Construction: Depending on the model, the HLD-5 may feature weather-sealed construction to provide protection against dust and moisture. This ensures that the camera and battery holder can be used reliably in various environmental conditions. Compatibility: The HLD-5 is compatible with specific models of Olympus E-System digital SLR cameras. It's essential to ensure compatibility with your camera model before purchasing. Product Information: The Olympus power battery holder HLD-5 is a useful accessory for photographers who require extended battery life and improved handling when shooting with their Olympus E-System digital SLR cameras. It enhances both functionality and ergonomics, making it a valuable addition to a photographer's kit. What’s included: - Battery-Charger - Original box - Battery