Products DescriptionFeartures:Material: ABS plastic Main parameters: Objective lens: 28mm; Eyepiece: 16mm; Resolution: 13′′; Magnification: 7 times; The farthest test distance: 930 yards (1 yard = 0.914 meters) Angle of view: 7.8°; Power: Use two cr2032 button batteries. After 60 seconds of operation, the power is automatically turned off. Size: 90mm × 50mm × 38mm
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