We are manufacturer which specializes in all serial cds photo resistance devoted to developing.
The noticing iterms about construction work:
1 must be installed the place which avoid the direct electric light
2 don't install in dark place a day-time
3 first conect the load wire
4 load wire: Red
5 common wire: White
6 line wire: Blace
7 when lighting in a day-time, it will be hitch
8 when light off in a night, lamp will be broken.