Dimensions: 11.5"X 2.2"X 2.2" Weight: 1.4Lb Magnification: 5-10 Field Of View: 0 Exit Pupil: 0 Eye Relief: 90 Power Supply: Internal Lithium Ion Battery Description: HD Thermal IMAGING Low Battery INDICATR: Y Other FEATURES:: Simplified Easy To Use Version Of Thor Thermal Optics. Easy To Mount With Standard 30MM Rings. Cutting Edge 320X240 12Um RESOLUTION Sensor.