Large Capacity 1800mAh Battery for extended recording sessions. Crafted from sturdy and durable metal for a stylish and durable design. Wireless expansion capabilities for easy use on the go. Easy to view real-time images with clear picture and real-time image viewing. Built-in strong feature for stable adsorption and hands-free use. Specification: Color As Shown, Material Aluminum Alloy. Package Includes: 1 Mobile phone magnetic selfie display screen, 1 Data cable, Built-in battery 1800mAh.