SPECIFICATIONS SM17004Shade 2-16x15 SM17005Shade 3.5-28x30 Sensor Resolution (pixels) 256x192 Sensor Type Thermal Sensor Display Resolution (pixels) 1280x720 Display Type FLCOS LCD Magnification (x) 2x Optical 3.5x Optical Digital Magnification (x) 1-8x Objective Lens (mm) 15 30 Pixel Pitch (µm) 12 Spectral Range (µm) 8-14 NEDT (mK) < 50 mK @ 25 Hz, 300 K, F/1 < 50 mK @ 50 Hz, 300 K, F/1 Field of View (angular) 11˚ 6˚ Built-in Video Recorder Available Yes Maximum Memory Card Supported (Gb) 156 Power Supply (v) 6 Battery Type x2 CR123A Battery Life (Hrs) 3.5 (Video) - 4.4 (Preview) External Power Supply 5V via USB Boddy Material Aluminum Mount Type Picatinny Operating Temperature -4˚ to 144˚F / -20˚ to 50˚C Dimensions (in/mm)(length without flip up caps) 4.84 x 3 x 2.9 / 123 x 77 x 74 5.55 x 3 x 2.9 / 141 x 77 x 74 Weight (oz/g) 19.97 / 566 21.91 / 621