Specifications 1) Magnification: 3x 2) Eyepiece diopter range: ±4 diopter 3) Field of view: 16o 4) Objective focusing range: 5m to infinity 5) Operating voltage: 3V DC (use battery no.5) 6) Weight: 0.6kg 7) Resolution: ≤1.6mrad 8) Effective visual distance: 150m 9) Can be used under complete darkness 10) Used in astronomy 11) The same type of lens as telescope 12) The observation angle is broad 13) The HL-N006 night vision device will give you a bright and sharp image in any dark situation 14) Whether you are boating, observing wildlife or surveying your property for intruders, the HL-N006 night vision device lets you see what goes bump in the night Outer packing: 12pcs/ctn Carton dimensions: 355 x 200 x 225mm