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.