4k 10-300x40mm High Magnification: Enhanced 10x to 30x magnification, bringing a wider, clearer and brighter scene to your eyes. Adjust the magnification of this monocular zoom according to your needs, it will give you visual fidelity and let you see the wonderful world. High-Quality Materials: High-quality optical components provide high-quality visual effects. The shell is made of ABS plastic steel and tempered synthetic material, which is more textured than metal and is lightweight and easy to carry. When stored, it is only 5 inches long, allowing you to easily slip it into your backpack or pocket when hunting, traveling, or camping. PRECISE FOCUS, WATERPROOF AND FOG-FREE: The ergonomic design helps you focus on your target quickly and accurately with one hand. Retractable rotary zoom, durable striped rubber armor make it very comfortable to use. IPX7 nitrogen-filled waterproof membrane with anti-fog coating, and optics are O-ring sealed to protect against moisture, dust, and debris. It is always kept clean. Ideal for outdoor enthusiasts and nature explorers: easy to carry and mini size. Portable and lightweight design effectively reduces travel burden. The handheld monocular device is a must-have for bird watching, wildlife, hunting, hiking, rock climbing, camping, camping, surveillance and traveling. WIDELY COMPATIBLE: Comes with a durable tripod and universal smartphone holder. Compatible with almost all smartphones. Stable tripod for fast HD photography, instantly share beautiful and stunning moments with family and friends.