Features Clear Display: This device has a digital screen, which provides stable picture, clear and intuitive display effect, with professional performance, and intelligent visual adjustment. Main Application: This is a night vision instrument for observing objects in dark or weak light. The observation distance of weak light is infinite, and it can reach 300 meters in dark environment. Magnifying Function: Are used to magnify and observe distant objects. Wide Application: This night vision device is suitable for camping fun, cave exploration, night fishing and boating, wildlife observation, photography, etc. Easy Data Storage and Transmission: This night vision device has an USB port and memory card slot, making data transmission and storage convenient! Specification:Item Type: Night Vision Device Texture of Material: ABS Delivery With Memory Card (already installed on the product) Battery: 18650 rechargeable lithium battery x 1 Battery Capacity: 2200mAh (shipped with built in battery) Objective Aperture: Dia. Approx. 25mm / 0.98in Field of View: 5 ° x 3.75° Weak Light Observation Distance: Approx. 2m / 6.6ft to ∞ Observation Distance Without Light and All Black: Approx. 300m / 984.3ft  Package List:1 x Night Vision Device1 x Manual 1 x Mirror Wiping Cloth1 x Charging Cable 1 x Wrist Strap1 x Battery Charger 1 x Card Reader 1 x Accessory Bag 1 x Storage Bag  Package List 1 x Night Vision Device 1 x Manual 1 x Mirror Wiping Cloth 1 x Charging Cable 1 x Wrist Strap 1 x Battery Charger 1 x Card Reader 1 x Accessory Bag 1 x Storage Bag