Difference between auto-recovery button and auto-lock button:
1. Self-recovery button: press this button to turn on the power (light on),
Release your hand, the power will appear and turn off automatically (the light goes out)
2. Self-locking button: press the power button, release your hand, and keep the button stationary (lit),
Press the button again to display and turn off the power (the light goes out).
Note: the connector needs to be purchased separately
1.What does the signal "NC" and "NO" means?
"A" "+": positive pole of the led "LED" " - ": negative pole of the led " NC ": Normal Close " NO ": Normal Open " C " : Common
2.How to connect?
1.Connect " NO " and " C " : The circuit is alway open unless press the button. 2.Connect " NC " and " C " : The circuit is alway close unless press the button.