IRAYUSA, BOLT TH50CV2, Thermal Weapon Sight, 3.5X50mm, 30mm Tube, Multiple Reticle (2 Dynamic, 5 Static), 2 MOA, Black, Fits Picatinny WARNING: This product contains one or more chemicals known to the State of California to cause cancer and birth defects (or other reproductive harm). Sensor Resolution: 640x512 Sensor Pixel Size: 12m Objective Focal Length: 50mm Sensor Frame Rate: 50hz Detection Range: 2400 Yards Device Technology: Thermal Imaging Onboard Recording: Yes Digital Magnification: 4X, stepped Optical Magnification: 3.5X Objective F#: 1.1 Objective Diameter: 50mm Product Description The InfiRay Outdoor BOLT TH50C V2 expands on the success of the TH50C with the addition of improved audio recording and an optional Bluetooth laser rangefinder module. InfiRay's industry-leading 12 m 640x512 Micro II sensor, 1.03-inch large-format 2560x2560 resolution display, and Shutterless Calibration feature are now more powerful than ever, while still maintaining the proven combination of a manual focus lens, dual battery design, and tactile control turret. The BOLT TH50C V2's traditional look and flexibility of a 30 mm ring mounting interface also guarantee the perfect fit on your favorite hunting rifle.