Magnification : 4.5X
Diamension of Objective : 40mm
FOV : 5° x 3.75°
Ocular Adjustable Range : ±10
Observing Distance ( Low Light Environment ) 2m ~ ∞
Observing Distance ( Dark Environment ) ~200m
Operating Voltage : 3.7V DC 
Replaceable Battery Lithium-ion rechargeable battery 
Charging Source : 5.0V/2000mA Adapter
Measurement (LxWxH) : 158x58x77mm
Weight : 400g