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, 500m visual 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. 【Day and Night Use】: Clear-definition video with night-visions for day and night use. With 350m effective distance, 500m visual 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. 【Free Adjustment Slot Card】: Easy to install, it can be mounted on the telescope-eyepiece, free to adjust, and easy to apply. It can be connected to the diameter of 38-45mm aperture of various types of telescopes. 【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 directed to the mobilephones. 【APP Control & Automatic Video Recording】: The APP downloaded from the mobilephone connects to WIFI, and you can watch and record videos on the mobilephone. After WIFI connection, the mobilephone and the machine can record the video at the same time. When the WIFI is disconnected, the machine will automatically record. 【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 Material: metal aluminum-based Battery: 1 * 900mAh 18350 lithium battery (included) Images chip: ultra-low illumination 1080P Optical lens: F1.0/6mm External apparatus: can be connected to the diameter of 38-45mm aperture of various types of telescopes External storage: optional use of 8-128G memory card (not included) Night-visions capability: 350m Item size: 95 * 71 * 52mm / 3.35 * 2.80 * 2.05in Package size: 165 * 103 * 71mm / 6.50 * 4.06 * 2.80in Package weight: 350g / 12.35ounce Packing List: 1 * Night-Visions Device 1 * USA-Plug