Product Name: Military Infrared (IR) Night Vision Telescopes and Binoculars - Daking's Tracker (D-B1105-A) Model NO.: D-B1105-A Aperture: 50-100mm Focusing Type: Internal Focusing Objective Aperture: >50mm Lens: Glass Lens Type: Prime Lens Usage: Night Vision Function: Night Vision Magnification: 5X Type: Binocular Trademark: Daking Transport Package: Soft Protective Bag or Hard Shipping Case Specification: 225 * 150 * 60 Origin: Guangdong, China Product Description Military Infrared (IR) night vision binoculars - Daking's Tracker (D-B1105-A)Mechanical Parts Code and Name:Company Info:A.Product Description:D-B1105 is a dual image tube night vision system that provides the comfort of use and high quality image. Withthe help of built-in IR illuminator, it can be used in total darkness. It's designed to be compact, rugged, lightweight and cost effective with superior night vision performance in its same class. It's can be widely used for wildlife observation, hunting, boating, camping, surveillance etc. and it's the best value on the market.B.ModelExplanation:The 1stletter "D": the abbreviation of our brand DakingThe 2nd letter "B": Binocular(the device type)The 1st number1: generation 1+(IIT grade)The 2nd and 3rd number 10: the 10th item we have releasedThe 4th number 5: magnification for objective lensC. Specifications:Model D-B1105Image tube grade Super Gen1 Magnification 5XResolution, lp/mm40Field of view, deg 20Lens system F1.2, 90mmProshield lens coatingYesAutomatic shut-off systemYesBuilt-in IR illuminatorYesIR indicator YesLow battery indicator YesDiopter adjustment, deg +/-5Power supply2 x 3V (CR123A)Battery life, hrs 25 (w/o IR)Range of focus, m From 20mto infinity20--∞Operating temperature, ºC-40 /+50Storage temperature, ºC-50 /+70Environmental ratingWeather andfog resistantDimensions, mm225 x 150 x 60mmWeight,kg1.5D. Features:1. High resolution Gen1+ dual image tube system2. Multi-coated all-glass optics4. Rugged and lightweight5. Built-in computerized proximity sensor6. Built-in IR illuminator7. Powerful 5x magnification8. Weather and fog resistant9. Automatic shut-off system10. Low battery indicator11. ONE-Year warranty for normal usemilitary Infrared (IR) night vision binoculars - Daking's Tracker (D-B1105-A)