NEW CY789 1080P Infrared Night Vision Scope Digital Zoom Night Vision Monocular. 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:21700 lithium battery (removable). 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. 6Including 1x battery. 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. Package includes: (in original packaging). 1 x Night Vision Device. 1 x 4800mAh 21700 Battery. Thanks for your kindly understand. We are committed to resolve all issues in a friendly and satisfactory manner. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Your recognition will make us more confident to develop business and serve you better. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues. Please give us the opportunity to resolve any problem. Here is illustration shows how to leave me the feedback, please follow the step, thank you very much! And hope to see you soon.