... INTERNATIONAL RECOGNIZED IR DETECTOR SMALL SIZE,LIGHTWEIGHT,AND INEXPENSIVE LARGE FOV HANDS FREE WATER,FIRE RESISTANCE ZIR-X001 INFRARED IMAGER IS DEVELOPED BY ... THE SINO-US JOINT VENTURE ZHEJIANG ZYBRON INDUSTRY CO.,LTD ... VIEW,NO PARALLAX,NOT BLOCK NORMAL VIEWHANDS FREE,VISION FREE,WALKING FREEWATER,FIRE,AND VIBRATION RESISTANCE50-INCH ...