WARM TIPS:1. If you observe the target far away, just slowly rotate the lens to the left until the target is clear. If the distance is very close, slowly rotate the lens to the right.2. The night vision digital binocular that the screw hole at the bottom can be directly connected to the tripod which fixed for viewing, the imaging is more stable and viewing is more comfortable.3. If the battery voltage is not enough, the IR LEDs level will down automatically. IR level can up to 7 level when the battery power is full.If only left half power, the level just can up to 5. If only left 25% power, the level just can up to 3. If the battery power is lower than 25%, IR LEDs can not be activated.Specification:Photo Resolution: 1M(1280x960)by interpolation、VGA(640x480)Video Resolution: 960P(1280x960@30FPS )by interpolation、VGA(640x480@30FPS )Lens: F1.2 larger aperture， f=25mm，Auto IR filterLens Angle: FOV=10°，caliber is 24mmDisplay Screen: Inner screen is 2.31”960*240 TFT LCD， Outer screen is 98x48mm,with 3X large window magnifierStorage Media: Micro SD card, up to 32GBUSB Port: Micro USB 2.0Auto off: 3 min/ 5 min/ 10 min/OFFIR LED: 3W,850nm strong infrared spotlight ,7 grades infrared adjustmentView Distance In Complete Darkness: About 150-200 metersView Distance In Low Light: 3 meters～infinityDigital Zoom: Digital Zoom 4XPower Source: 9V; 6*AAOSD Language: Multiple languages are optionalDate Stamps : Support to set date and time. Date and time stamp on photo and video files.Operation Temperature: -20℃ to +60℃Storage Temperature: -30℃ to +70℃Dimensions & Weightapprox: 206*138*58mm /600gAccessory: USB cable, manualProduct List:Night vision goggles*1USB charging cable*1Cleaning cloth*1English manual*132G memory card*1Shoulder strap*1