IR HD Thermal Imaging Scope with 5omm Large Lens Customizable Ranging 6 Modes IP67 for Outdoor Tracking. Large 50mm Lens: Equipped with a 50mm F1.1 objective lens for superior light gathering. IP67 Waterproof Rating: Dust-tight and protected against immersion in water for outdoor tracking. 6 Thermal Color Palettes: Offers 6 distinct thermal color palettes for enhanced image interpretation. High Resolution Display: Features a 1024x768 display resolution for clear thermal imaging. Long Battery Life: Provides approximately 8 hours of working time with 18650 batteries. Customizable Frame Rate: Supports a customizable frame rate of 50Hz for smooth video. Metal Shell Construction: Built with a durable metal shell for rugged outdoor use. Advanced Image Enhancement: Includes DDE and AGC features for brightness and contrast optimization.