Advantage:
Adjustable eye cup: Twist up and down to seek for the best visual effect, perfect for with or without glasses wearers.
Low light night vision: The high power monocular can see in night with low light, but nothing in the completely dark.
Multipurpose: the monocular can be equipped with tripod and phone clip, taking photos or watching the wonderful moment through your phone.
Applicable scene: hunting, hiking, bird watching, camping, travelling, Golf, Scope, Concerts, Sport etc.

Operation Steps:
1.Twist-up eyecup to adjust: Adjust eyepiece to raise the cup to appropriate height. (Keep the eyes and eyepiece lenses at the best distance to prevent the eyes get blurry lens)
2.Focus adjustment: Eyes close to the eyepiece, the objective lens at the target scene, and then the telescopic lens tube completely pulled out, clockwise slowly turn the focus hand wheel until you see a clear target so far.
3.Zoom adjustment: Slowly adjust the magnification adjustment ring. Adjust the required magnification, and then fine-tune the focus hand wheel, until the target becomes clear so far.

Specifications:
Model: 10-30x40
Magnification: 10x-30x times
Eyepiece diameter: 20mm
Objective Diameter: 40mm
Prism System: BAK4
Lens Coating: Multilayer broadband green film
View Angle: 30x-2.1°~ 10x-4.4°
Focus Mode: Stretch or Rotate focus
Zoom function: Support
Tripod interface: Support
Material: Magnesium Aluminum Alloy
Weight: 162 g

Packing list:
1 x zoom monocular
2 x eye cups
1 x Carrying Case
1 x Cleaning cloth
1 x Hand Strap
1 x User Manual

Ps: No Phone Adapter/Tripod Attached