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Item specifics
Product Description
Difference between auto-recovery button and auto-lock button:1. Reset(Momentary) 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).NO: means normally open, that is, the default state between the two ends is disconnected. NC: means normally closed, that is, the default state between the two ends is connected.
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