3200-250 meters viewing distance in darkness. 5High power IR, 7 levels adjustment brightness. 64 color effects: Color, Black and white, Moonlight Green, Film negative (negative). Photo Resolution:3M(2048x1536), 2M(1600x1200), 1M(1280x960), VGA(640x480). LCD display:Built-in dual-screen 1.4390390 TFT inner screen, switch freely between single-screen and dual-screen, 7 times magnification. Eyepiece:Fully independent dual-screen binocular technology, can adjust the visual compensation of left and right eyes independently(refractive adjustment range +/-3, that is, nearsightedness, ...