Sharp stereo erect image over a wide field of view.
Upright binocular head,the interpupillary distance is between 55-75mm.
Eyepiece WF10×,Objective 2×
Built-in incident light:Incandescent lamp or LED.
Power 2 units of AA batteries.
Plastic body easily to carry.
Each set packed in styrofoam box and in an inner box.Ten sets in one outer carton.The outer measurement is 69.5×36×29cm.