N-Vision NSI Halo X Thermal Scope 640x480 Resolution 50mm Features: - BAE 640 x 480, 12 um, 60 Hz Thermal Imaging Core - Built-in Video and Audio Recording - 50 mm F1.1 Germanium objective lens - 8 Reticle Options Specifications: - Sensor Pixel Pitch: 12 um - Resolution: 640 x 480 - Refresh Rate: 60 Hz - Lens: 50mm F1.1 - Focus: Fixed - Digital Zoom: 1x/2x/4x/8x - Magnification: 3.5x - Display Type: OLED 640×480 B&W - Power: Two 18650 batteries - Remote power: USB 5.0V - External connector: Waterproof USB-C - Calibration (NUC) Manual: Manual - Detection range: 2020 yards - Recognition range: 726 yards - Identification range: 380 yards - Weight: 37 oz - Size: 8.9 × 3.6 ×3.4 inches