400M Infrared Digital Night Vision Goggles Recorder Binoculars Device 7×31 Zoom. (1)Magnification power: 3.5×31(MAX 7x)? (2)Digital Zoom: 2 steps magnification, Max 2x? (3)Angle Of View: 9°? (4)Objective Aperture: 31mm? (5)Exit Pupil Distance: 30mm? (6)F# for Objective lens: 1.2? (7)Viewing Distance in Day time: 3m?? (8)Viewing Distance in Darkness: up to 400m(monochrome)? (9)Eyepiece magnification: 2x? (10)Video Output: 320×240 resolution TFT LCD, OSD menu display, CVBS always output with VGA resolution. (1)Wide Dynamic Range: High-sensitivity CMOS Sensor? (2)Size: 1/3”? (3)Resolution: 640X480. (1)Power on/off? (2)Snap? (3)Mode selection? (4)Mode selection? (5)Zoom? (6)IR switch. (1)Preview? (2)Record JPEG file in SD storage? (3)Capture JPEG file in SD storage? (4)Playback media file from SD storage. (1)External power supply – DC 5V/1A? (2)8 pcs AA battery 4.5V-6V? (3)Battery life: 6 hours working time with IR off? (4)Battery low warning. (1)4 modes (Capture, Video, Playback)? (2)Single frame Image Capture? (3)Video image Record? (4)Playback image? (5)Delete image? (6)5 level IR switch? (7)SD card format? (8)Power save (Off/1 min/ 3min/50 min)? (9)Language: English /Trad. Chinese /Japanese /? French /Deutsch /Korean /Italian /Portuguese /Russian / Spanish / Arabic? (10)System Rest? (11)Light Freq. 50/60HZ? (12)Date Input? (13)Version. Night vision device? USB cable? A/V cable? Neck strap? Storage pouch? User manual. Hunting, Scouting game? Security and surveillance? Camping fun/exploring caves? Nighttime navigation? Night fishing and boating? Wildlife observation? Search and rescue.