Street lighting with photoelectric switch. The switch (red, top of light) is sensitive to light. As the light levels fall as the Sun sets (as seen here), the switch triggers the street light and turns it on. A photoelectric switch uses an LDR (light-dependent resistor).
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Details
Creative#:
TOP03226440
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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