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Connection description:

1) red line connecting VCC (ramps of +)

2) Connect the black wire GND (ramps of -)

3) Green Line connection SIGNAL (ramps in s)

tips: Under normal circumstances， the system must be configured to at least three mechanical switches.

Pros: Easy to install， the more common styles.


Package include:


1) 1pcs mechanical switch

2) 1pcs Cable 3-pin 70CM