Notice:Only suitable for scopes above 6x. More Portable Design:This night-visions device is designed to be very suitable for the shape of take-out, it is convenient for your daily out and carry. This night-visions device has the crossing cursor system for better and quick aim, giving you a better experience. The effective distance of all-black night-visions is 200-300 meters, and the visual distance is 500 meters. Wide Applications: This tool can be widely used for night outdoor animal observation, animal tracking, fishing watching and so on. Built-in large capacity lithium battery to supplys power, so you can recharge it on time. You can use this night-visions device during the day or night to help you see distant objects. With interface suitable for 38-48mm diameter sight. Electrical performance parameter table. Type: Infrared Night Vision Device. OL Display:1.54 inches. Main chip:Taiwan Master main chip. Video Sync Delay:Less Than 0.01 Seconds. All black viewing distance:Effective Distance 200-300 Meters, Visual Distance 500 meters. Battery Life:4-5 Hours Without Infrared, about 1.5 Hours With infrared. Work Life:Support Charging While Using. Effective sight distance: 200-500m. The effective distance of all-black night vision is 200 meters, and the visual distance is 500 meters. The cross cursor can be adjusted horizontally and vertically, and can be used while charging, but does not support memory cards. Battery life is four to five hours without infrared, and about 1.5 hours with infrared. This product has no storage function and cannot install a memory card. And the cross cursor can be adjusted horizontally and vertically, but it will be reset after shutdown. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Please make sure your address setting is correct before checkout. (Except some countries and APO/FPO). The images shown are not the actual item and are for your reference only. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. For all orders, please note that. We are committed to provide excellent service for all buyers. Thanks for your support and understanding! And there will be no reply as we are out of office during weekend, we will reply on Monday. We will be happy to serve you.