NVECTECH Defender 335 3.3x35mm Thermal Rifle Scope Dark Green/Black Defender 335. Engineered for performance built to endure and designed to give you an edge - wherever the mission takes you. The Defender thermal imaging system is an excellent solution for professional hunting tasks providing high accuracy and reliability in a wide variety of conditions. Thanks to its advanced features and innovative technologies this system will become an indispensable tool on the field and for observing animals. The Defender thermal imaging system offers high accuracy reliability and efficiency making it an indispensable tool for any hunting mission. Specifications for NVECTECH Defender 335 3.3x35mm Thermal Rifle Scope: Manufacturer: NVECTECH Color: Dark Green/Black Magnification: 3.3 x Objective Lens Diameter: 35 mm Sensor Resolution: 384x288 pixels Display Resolution: 1024x768 pixels Refresh Rate: 50 Hz Reticle: Multi Eye Relief: 45 mm Battery Type: 18650 Battery Life: 20 hours Features of NVECTECH Defender 335 3.3x35mm Thermal Rifle Scope High sensitivity to temperature changes: NETD