The ATN OTS-X Thermal Imaging Viewer series is designed to be a versatile, lightweight, yet rugged, thermal viewer that can be easily carried in a cargo pocket for law enforcement and sportsmen alike. One of the most unique characteristics of this viewer is the ability to interchange the objective lens so you can have multiple magnifications based on your need or mission. Features icon based menu system, color modes, and digital brightness control. Waterproof construction. Includes soft carrying case, warranty card, one Lithium battery, lens tissue, and instruction manual. Made in the USA. Battery life: 2+ hours. Three year manufacturer warranty.