Screen:3.1-inch LCD screen. Using the length:>10H. Weight of the:0.5LBS(and a half). Weight of the:0.9LBS(all). Storage type:TF card. Battery capacity: 4800 mAh. Support memry:128G(excluding). Size:21410358mm/12510358mm(Excluding the eyepiece). Package2.3.4 :Can be connected to telescope and sight. 2With Dual IR Lights(850nm/940nm). Support 128GB TF card. 43.1 inch Large-view inner screen. Suitable for Henbaker all series of night vision sights to install the fixed base. Suitable for 11mm dovetail & 20mm Picatinny Rail. Made of pure metal, strong and firm, equipped with 4 screws. The distance between the centers of the two holes is 11.5mm, and the diameter of each small hole is 6.5mm. 1 x Night Vision Device. 1 x 4800mAh Battery. By AUpost-eparcel from China. Thanks for your support and understanding! OUR WORKING Time(Beijing): 9:00am6:00pm(MondayFriday). We will be happy to serve you. Buyers need to responsible to pay for the returning package. For all orders, please note that. Please leave us a. With aPERFECT 5 STARS. Our goal is to make sure you are happy and have a pleasant shopping experience with us. We will do our best to resolve the issues. Please give us the opportunity to resolve any problem. It is impossible to address issues if we do not know about them!