This portable night-visions device can be used to observe objects in the dark and low light situation, suitable for outdoor use. Clear-definition video with night-visions for day and night use, with 350m effective distance. Easy installation, it can be mounted on the telescope-eyepiece, free to adjust, and easy to apply. Suitable for outdoor activities such as boating and yachting watching, huntings, birds watching, travel, hiking, camping, animal watching. Also perfect for sports games, concerts, opera, etc. Features: Mini size: Compact, palm-sized, portable and easy to hold, this is your nice helper for outdoor observations. Professional Night-Visions: This night-visions device has 6mm diameter optical lens, 1080P clear definition. These professional designs make this night-visions device suitable for your daily use. Digital Display: Equipped with a digital csreen, and the screen is more comfortable and clearer. And with movable crosshair on the display. Day and Night Use: Clear-definition video with night-visions for day and night use, with 350m effective distance. Infrared Light: Adopts infrared night-visions lamp, present a clearly picture even at night. For use in the dark, turn on an infrared fill light. Easy Installation: Easy to install, it can be mounted on the telescope-eyepiece, free to adjust, and easy to apply. It can be connected to various types of telescopes with 40-48mm aperture diameter. Photos and Videos Export: Photos can be taken and used with a memory card, and pictures can be exported to the computers, which can also be exported from PC to the mobilephones. Wide Ranges of Use: The telescopic sight is suitable for outdoor activities such as boating and yachting watching, huntings, birds watching, travel, hiking, camping, animal watching. Also perfect for sports games, concerts, opera, etc. Specifications: Name: Night-Visions Device Main material: aluminum Battery: 1 * 900mAh 18350 lithium battery (included) Display: 1.54inch 320*320 Imaging chip: ultra-low illumination 1080P Optical lens: F1.0/6mm Eyepiece: 1.5X External apparatus: can be connected to the diameter of 40-48mm aperture of various types of telescopes External storage: optional use of 8-128G memory card (not included) Night visions capability: 350m Item size: 155 * 95 * 58mm / 6.10 * 3.74 * 2.28in Package size: 140 * 105 * 85mm / 5.51 * 4.13 * 3.35in Package weight: 530g / 1.17lb Packing List: 1 * Night-Visions Device 1 * USA-Plug Many Questions about Drop