Welcome to The Gadget Professor Show #450 hosted by Don Baine.★★★Single Eye Observation – CAN NOT use it with both of your eyes (when you working ), because focal distance from lens to product is 0.2-2in (0.5-5cm). ✔ 2 Adjustable LED Light – can help work in low-light conditions (Button batteries Included). Rotate the LED … Continue reading TGP #450 Magnifier Loop →