Battery capacity: 260 mAh. This provides extended operation between charges for reliable everyday use. Lithium battery: up to 25 hours of continuous use on a single charge, reducing the need for frequent recharging. Working temperature: 10 C to 40 C. Designed to perform reliably across a wide range of outdoor and environmental conditions. TF Card Expansion: expandable to 512 GB. Allows local storage of larger files and data through a compatible TF card. Use scenarios Travel and daily use: Rely on long battery life and local storage to carry data without constantly recharging or accessing external networks. Outdoor and variable conditions: Operates effectively in cold and warm environments, making it suitable for fieldwork, outdoor activities, or work sites. Offline data storage or media capture: Use up to 512 GB of TF card capacity to store substantial amounts of information or media locally, enabling offline access and backup.