● Sharp stereo erect image over a wide field of view.                                                             

● Upright binocular head, the interpupillary distance is between 55-75 mm.                     

● Monocular 360° rotatable.                             

● Working distance：70mm.                             

● Built-in incident light：incandescent lamp or LED                                                                

● Power 2 units of AA batteries.                         

● Plastic body easily to carry.                            

● Each set packed in styrofoam and in an inner box. ten sets in one carton. The outer measurement is 69.5x36x29.