website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
This circuit is responsible for lighting a bulb, when it receives light and turns off automatically when it is dark, like street lighting lamps. You will find in https://construyasuvideorockola.com/proyect_luz_automatica.php
We tested the circuit with saving lamps, the same result as with incandescent bulbs. Also tested it with an LED lamp and a home recorder.