OEING Children's High-Definition Observation Monocular with Compass

A durable, rubber-coated observation monocular featuring ED lenses and a built-in compass, ideal for nature observation and outdoor exploration.

Can an external monitor be connected?: External monitor not supported Can it connect to a mobile phone?: Cannot connect to mobile phone Waterproof: Not waterproof Is it shockproof?: No stabilization use: Nature Observation Whether to scale: No magnification Lens barrel structure: Non-integrated lens barrel Lens material: ED lens Primary Mirror Structure: Refractive type Body material: rubber Can it connect to a DSLR?: Cannot connect DSLR Rangefinding function: No rangefinding function Eyepiece diameter: 30mm Does it have a compass function: With compass function Objective lens diameter: 10mm For people: General Is there a flat field function?: No flat field function Prism structure: Ridge-type Magnification: 9 times