The OTS-X is the latest in our successful OTS thermal imager system line. The OTS-X series is designed to be a versatile, compact, lightweight yet rugged thermal viewer that can be easily carried in a cargo pocket for Law enforcement and Sportsmen alike. The OTS-X is one of the most affordable thermal viewers on the market that includes a full 640x480. One of the most unique features is the ability to interchange the objective lens so you can have multiple magnifications based on your need or mission. Available in either 640 x 480 resolution with 4 different interchangeable lens types to choose from the OTS-X series is one of the most versatile viewers on the market. Features: - Resolution: 640 x 480 - Ergonomic Design - Standard Imaging (9hz) - Compact Rugged Construction - Interchangeable Optics - Variable Geometry Display - E-Zoom - Digital Brightness Control - Icon Based Menu System - Color Modes - Black/White Polarity - VOx Vanadium Oxide Detector - 800 x 600 Display - Video Output - Made in USA Specifications: - Sensor (microbolometer): 640 x 480 - Type: Uncooled - Material: Vanadium oxide (VOx) - Image Size (output resolution): 800 x 600 - Frame rate: 9 Hz - Video output: Analog RS-170 - Lens: 30 mm - Display: Color OLED matrix, SVGA< 800 x 600 - Thermal Sensitivity: <50mK - Spectral Response: 7-14 m - Field of View: 22 - Eye Relief: 27 mm - Diopter Adjustment: -1.5 - Optical Magnification: 1.5X - E-Zoom: 3X, 6X, 12X - Human Detection: 750 - Human Recognition: 300 - Human Identification: 180 - Vehicle Detection: 1650 - Vehicle Recognition: 660 - Vehicle Identification: 400 - Polarity control: White hot / Black hot / Multiple Color Modes - Start up time: <4 sec - Waterproof: Yes - Battery type: 1 x CR123A battery type - Weight: 1.1lb /500 gr - Battery Life: 2+ hrs - Dimensions: 145 x 61 x 83 mm /5.75 x 2.4 x 3.3"