Single-tube super telephoto lens: The telescope's anti-shake system and a special tripod 3D gyroscope make the telescope's field of view very stable during multiple magnifications.Small night vision device: The built-in night vision device function allows you to use it normally at night. Turn on the auto focus and blur the background function, you can focus on observing the person or object that needs to be observed.Lightweight and portable: The shell is made of titanium alloy, which has higher specific strength and weighs only 118 grams. When stowed, the length is only 4.62 inches, and you can easily put it in a backpack or pocket when traveling or camping.Waterproof, moisture-proof and shockproof design: Nitrogen-filled waterproof and O-ring optical components can prevent moisture, dust and debris, and ensure the service life of the waterproof function.Ideal for outdoor enthusiasts and wilderness explorers: handheld devices are essential equipment for bird watching, wildlife, hiking, climbing, camping, camping, surveillance and travel.description:Objective lens diameter: 25mmMagnification: 10-300xField of view: 3.5°Exit pupil distance: 10mmExit pupil diameter: 25mmSize: 192 / 117x32mm (stretch and shrink)Used for: racing, beach, bird watching, boating/yachting, horse racing, outdoor activities, sports, theater, travelPackage includes: 1*TelescopeSupport single camera, dual camera, three camera and four camera.