Photocell

1 clue
Brightness detector
Similar answers:
Aerialphoto
Aerialphotograph
Andreabocelli
Aphotic
Bocelli
Cellocell
Cheaphotels
Cheesecakephoto
Collieocelli
Colorphoto
Colorphotograph
Composeforphotos
Eightbytenphoto
Familyphoto
Followingphoto
Gradphoto
Groupphoto
Iphoto
Keephot
Likeyourphotoin