Note: the connector needs to be purchased separately

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).

Product parameters

Head type: round head

Housing material: metal

Operation type: Momentary self-reset/fixed self-locking

Emitting color: red / yellow / blue / green / white

Opening size: 12mm/16mm/19mm/22mm

Very important: Because of the virus,the Economic shipping is slow,If you need buttons hurry,please choose Alistandard shipping

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.