Binay Opto Electronics Private Ltd. Manufactures Tri-state LED Indicators. Binay Opto Electronics Private Ltd. Binay Opto Electronics Private Ltd. Also offers LED based pilot lights, aviation obstruction lights, alarm lights, etc. Tri-state LED Indicators have an extra input, which has a flasher function. A single model of this indicator can provide ON, OFF, and FLASHING indications, serving dual purposes.
