Yy-001 human induction + light control in the absence of light when someone passes by it will be all on for 40 seconds and when they leave it will go off and when someone else passes by it will be all on 

 YY - 002 Solar sound control + light control on a dark day when there is a sound without light, it will be all bright when there is no sound 

 YY--003 solar human body induction lamp + light control + half light function is dark on the day when there is no light, it will be half light when someone passes by 
 

YY- 004 semi - bright function + light control + semi - bright function When there's no light, it's going to be half bright and when there's a sound, it's going to be half bright after 30 seconds