Photo 01: Office building entrance area video surveillance camera

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Photo 02: metal plate

This is cooling pan. Where to buy one like this? for installation of switch, button, pilit light, etc.

Photo 03: metal plate

This is cooling pan. Where to buy one like this? for installation of switch, button, pilit light, etc.

Photo 04: metal plate

This is cooling pan. Where to buy one like this? for installation of switch, button, pilit light, etc.