WYJ Low light level goggle
-with an infrared light emitting diode as an auxiliary light source
-Magnification:1X
-Field of view: 38º
-Objective focusing range : 0.25m~ infinity
-Eyepiece diopter range : +2 to -5 diopters
-Resolution : ≤1.59 mrad
-Operating voltage : 3V DC (use battery No.5)
-Weight : 0.6kg
-Effective visual distance : 280m