Features:

Sharp stereo erect image over a wide field view. Upright binocular view head, the interpupillar distance is between 55-75mm,
The working distance of 2x magnification of objective 70mm.
Built-in incident light 3V3W.
Power 2 units of AA batteries.
Plastic body & easy to carry.
Each set packed in styrofoam and in an inner box.
Ten sets is one carton.