Closest distance: 3M All black: 400M Low light: 2000M During the day(good weather) : 4000M  Feature  It could be used during the day or at night, owning the photo shooting, video shooting. It achieves 3.5X optical zoom and 2X digital zoom. Excellent optical clarity:Day and night used with 7X magnification, 2 digital zoom and a 31mm objective lens,850NM Infrared Illuminator takes image in dark (640*480pixel) and 640*480@30FPS video. Large wide screen: The 320*240 resolution color wide LCD screen display provide you easy to watch, quick capture the perfect photo or high definition video.It built in excellent all-optical binocular system with a video camera. High performance:This night vision binocular with 1300ft/400M night vision range, built in 2" TFT LCD screen, 5mp photo and 640p video recorder camcorder.You can even take pictures and video using the device which can be stored on a micro SD card. Storage capacity: 4-32GB is recommended, don't worry about lacking of buffer space. You can use the USB to connect the computer to transmit data to prevent data loss.(The package does not include the memory card) Battery: Needed but not included(8 *AA batteries). Specially designed:hunting fishing boating camping and scouting games day and night,for wildlife observation/exploring nature/search and rescue...  Specification  Model: NV400B Magnification: 3.5-7 Zoom Digital Zoom: 2x Angle Of View: 9° Objective Aperture: 31mm Exit Pupil Distance: 30mm F for Objective lens: 1.2 View in the Dark: 400M Eyepiece Magnification: 2x High-sensitivity Sensor: CMOS Size: 1/3" Resolution: 640x480 Resolution of Screen: 320x240 Luminance: 3W Infrared LED IR Wavelength: 850nm Working Voltage: 4.5v-6.0v Power Supply: 8x AA Battery(Not Included) Output: USB AV Supporting: NTSC/PAL Storage: TF Card  Language  Language: English /Trad. Chinese /Simp. Chinese /Japanese /French /Deutsch /Korean /Italian /Portuguese /Russian / Spanish / Arabic