1.Suitable Group: Suitable for outdoor sports enthusiasts and wilderness explorers, an essential equipment for bird watching, wildlife, hunting, hiking, mountain climbing, camping and travel. 2.Clearer Scenes: BAK4 prism lens, 30 times closer and large field of view, clearer and more colorful scenes. Excellent light transmittance and brightness, brighter and clearer images. 3.Moisture-proof and : The Nitrogen-filled waterproof and O-ring optical components can prevent moisture, dust and debris, and ensure life. The bracket better fits your phone, allowing you to take beautiful photos and adapt to harsh environments. 4.Function: Built-in function, you can see when there is light at night. Turn on the auto focus and blur the background, you can focus on people or objects need to be observed. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.