Binay Opto Electronics Private Ltd. Manufactures Integral LED Indicators for 8mm Panel Cutout. Binay Opto Electronics Private Ltd. Binay Opto Electronics Private Ltd. Also offers LED based pilot lights, aviation obstruction lights, alarm lights, etc. Integral LED Indicators for 8mm Panel Cutout has plated brass body of diameter 7.5mm and is available integrally in all voltage ratings up to 60V AC or DC. The input termination takes place by solderable lugs or 150 mm [6"] flying leads. It has the top formed into a conical reflector, and a 5mm LED is situated at the focus. They do not contain top lens.