Digital Zoom: 1x, 2x, 4x and 6x. Optical Lens Size: 22.5MM. Waterproof IP66 and working temperature: -40 to +50? Blue cover on lens: booster night vision.
Field of View: 25.5 x 14.5°. Eyepiece Adjustment Range: +2 -5D. Low Light Observation Distance: 200m/656feet/219yard.

LCoS Display Size: 0.38. 1/2"(big size than normal 1/3" or 1/2.7). IR Level: 1, 2, 3.
Battery Type: rechargeable battery(18650)1pcs(included). Night Working Hours(APP and lamp ON): 3 hours. Night Working Hours(WIFI ON): 5 hours. Italian, Simplied Chinese, Traditional Chinese, Russian, Japanese, English, French, Spanish. It usually takes around 2 to 3 weeks to United Stated, United Kingdom, Australia, Canada and some European countries. But for other countries, it may need 4-6 weeks to deliver the parcel. All items will be tested or checked carefully and packaged in good condition before sending out to you. Some faulty items might happen especially after overseas transportation. We promise we will provide prompt and satisfactory solution to you. Your 100 satisfaction is our greatest goal here. Sometimes it might get filtered as a spam or our office is closed for weekends and public holidays. NVG10 Night Vision Goggles Monocular 6x Zoom IP66 For Helmet Hunting Observation.