Low-light-level night vision built-in design, helping you see things in low light .
Offers an 10x magnification and a 52mm objective diameter,object lens:42mm ,eye lens:18mm. Field Of View (m):66m/8000m
Dual Focus design, easy focusing.
Waterproof design: the mirror is full of the high-purity nitrogen, waterproof and antifogging. Can be used in rain and humid environment?
Suitable for Golf, Scope, Camping, Hiking, Fishing, Bird watching, Concerts, sport match etc.