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

2.45º inclined and 360º rotational binocular head with locked-in eyepiece. The left ocular-tube with diopter adjustment ±5dp, The interpupillary distance is between 55-75mm. 
3.Three kinds of 180º rotational objective for seletion: 1x/2x,1x/3x,2x/4x         1X/2X3X, 1X/2X/4X
4. illumination:incident light LED 1w, transmitted light 7x20mA LED light

5.Electric apparatus has CE approval 
6.Power supply 110V-240V