Features. *1.10-300x30 high magnification. Upgraded 10x to 300x magnification provides your eyes with a wider, clearer and brighter scene. Adjust the magnification of this zoom monocular to your needs and it will give you a visual fidelity to see the wonderful world. *2. Amazing crystal clear vision. HD optical glasses with high quality fully multi-coated all-eye lenses and BaK-4 prisms ensure you enjoy vivid and meaningful outdoor birding, travel, sightseeing, hunting and other activities. *3. Waterproof and rugged - Everyday waterproof body, rubber coated finish, shock resistant, firm, comfortable grip, durable and portable outdoor, even suitable for harsh environments. *4. Versatile and risk-free: ideal for travel, wildlife hunting, camping, hiking, fishing, climbing, boating, golf, concerts, bird watching, target shooting and outdoor activities, etc. It is also a best Christmas gift for adults, kids and children. Specification. Material: metal & BAK4 glass Time. 10X-300X Objective lens diameter: 25mm Eyepiece diameter: 13mm Distance: 0.2-5000m Field of view: 2-3.5 degrees Size: 121-211mm long*32mm deep Weight: 118g Caution 1. All pictures are professionally toned, but due to different ambient light and different display device settings, there may be some deviations between the pictures you see and the items themselves. Please understand. 2. The data is measured manually, there may be some deviations, but it does not affect the use.