Waterproof BAK4 with Day/Night Vision 10-300X40mm Monocular Starscope Telescope

✔ HD &HIGH QUALITY :Made of high quality material and BAK4 prism lens design, giving you a clearer and more colorful scenery and clearer and brighter range of view. Prism: BAK4 prism. Firstly using your left hand to hold the barrel of the monocular, you can see a round field of view.