NVECTECH Defender 660L 1.1-3.2x20-60mm Thermal Rifle Scope Dark Green/Black Defender 660L. Engineered for performance built to endure and designed to give you an edge - wherever the mission takes you. The Defender thermal imaging system is one of the most advanced tools for hunting operations combining advanced technology and reliability. Thanks to its unique capabilities this system provides exceptional functionality and precision in the most difficult conditions. The Defender thermal imaging system is the best choice for professionals who require precision reliability and efficiency in the performance of hunting missions. Specifications for NVECTECH Defender 660L 1.1-3.2x20-60mm Thermal Rifle Scope: Manufacturer: NVECTECH Color: Dark Green/Black Magnification: 1.1 - 3.2 x Objective Lens Diameter: 60 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 Weight: 730 g Features of NVECTECH Defender 660L 1.1-3.2x20-60mm Thermal Rifle Scope Maximum sensitivity to thermal signals: With a NETD of