Dark Sensitive Switch is a simple project which operates a relay when the light falling on the LDR goes below a set point.

• Input - 12 V @ 55 mA
• Relay output - NC-C-NO
• Onboard preset to set the level
• Power-On LED indicator
• Relay On LED indicator
• Power Battery Terminal (PBT) for easy relay output connection
  
• Four mounting holes of 3.2 mm each
• PCB dimensions 44 mm x 49 mm