Easy to Install: The monocular telescope can be installed on the eyepiece of the telescope, which is freely adjustable and easy to use. It can be connected to various types of telescopes with an aperture of 40-46 mm. Infrared Night Lamps: The digital night monocular uses infrared night lamps, which can clearly present images even at night. When using in the dark, turn on the infrared fill light. Digital Screen: Equipped with a digital screen, the screen is more comfortable and clearer. There are movable cross hairs on the display screen. Clear HD Video: The night monocular has night function for daytime and nighttime use, with an effective distance of 350 meters. Applicable Scenes: Telescopes are suitable for outdoor activities such as boating and yachting, traveling, hiking, camping, and animal watching. Item Type: Night Device Product Material: Aluminum Alloy Weight: Approx. 350m / 1148.3ft. 1 x Data Cable. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.