Features: NETDa 25mK UNPARALLELED SENSITIVITY Detect the subtle temperature difference below 0.025AdegC, enabling easier identification of objects in various weather conditions. SUPER TINY & COMPACT DESIGN With compact design and lightweight build (300g), it greatly enhances comfort during observation, ensuring prolonged use without hand strain WIDE VIEW FOR EFFORTLESS SCANNING Up to 16Adeg(28m@100m) horizontal field of view, users can swiftly locate and track targets, enhancing observation efficiency and ensuring a more comfortable viewing experience. 5 IMAGE MODES In order to highlight targets, Leopard 256 has developed 5 image modes (WT-HOT/BK-HOT/RD-HOT/IN-HOT/SKY) for users to choose from according to preferences. REMOVABLE & RECHARGEABLE 18650 LI-ION BATTERY Equipped with a removable 18650 battery which can be recharged up to 500 times, allowing for quick battery replacement during the journey.