* Eyeglasses compatibility - more than 20mm eyerelief

* Wide FOV(Field Of View) – about 30 degree at pupil size over 4mm

* Color filter (Cyan and blue filter)

* Diopter compensation : -20D to +20D

* Illumination Source : LED

* Available direct observation using the eyepiece

* Smartphone compatibility for iphone 5/5S/SE

* Power : Li-ion Battery 3.7V 2600mAh

* Rechargeable with micro USB connector

- Input : 100~240V, 50~60Hz, 0.3A

- Output : DC 5.0V, 2.0A

* Set Dimension : 125mm(L) x 42mm(W) x 155mm(H)

* Net Weight : 280g