Note:it comes with a Quick Helmet Mount. Digital zoom: 1x, 2x, 4x and 6x. Optical lens size: 22.5mm. Optical lens: IP66 waterproof and working temperature: -40 to +50? Blue Lens Cover: Night Vision Booster. Field of view: 25.5×14.5°. Eyepiece adjustment range: +2-5d. Low light observation distance: 200m/656ft/219yards. Darkness observation distance: 100m. Lcos screen size: 0.38. LCOS display setting: 19201080p. CMOS sensor Size: 1/2″ (large size than normal 1/3″ or 1/2.7). Video resolution: 19201080p: 30fps. Level Go: 1, 2, 3. Battery type: rechargeable battery (18650) 1pcs. Night working hours (app and lamp on): 3 hours. Night working hours (wifi on): 5 hours. Italian, Simple Chinese, Traditional Chinese, Russian, Japanese, English, French, Spanish, Portuguese and German. 1 black lens cover.