Features:
Adjustable focus length, you can rotate object or ocular lens according to your need.
Easy to operate, very convenient.
Supplied with strap, easy to carry.
Supplied with cleaning cloth, keep lens clean.
Ideal for traveling, hiking, camping, bird-watching, etc.

Specifications:
Color: Black
Material: Optical lens/rubber
Focusing type: Rotating the object Lens
Magnification: 16X
Object diameter: 40mm
Ocular diameter: 17mm
Exit pupil diameter: 2mm
Distance of exit pupil: 20mm
Field of view: 66m/8000m.
Product weight: 270g / 9.5oz
Package size: 6.4 * 6.4 * 17cm / 2.5 * 2.5 * 6.7in
Package weight: about 245g

Note:
Don’t clean the inner parts of the monocular or dissemble the monocular without guidance of expert.
Never look at the sun directly with this product.