说明

• Follow the store to get coupons (full $2-$1 full) 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 show at the power (light on); Release your hand, the power will seem and turn off robotically (the light goes out) 2 Self-locking button: press the ability button, release your hand, and hold the button desk bound (lit); Press the button back to display and turn off the power (the gentle goes out) Product parameters Head type: around head Housing material: steel 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 transport is slow,If you would like buttons hurry,please prefer Alistandard delivery 1 does the sign "NC" and "NO" means? "A" "+": wonderful pole of the led "LED" " - ": negative pole of the led " NC ": Normal Close " NO ": Normal Open " C " : Common 2 to connect? 1 " NO " and " C " : The circuit is alway open except press the button 2 " NC " and " C " : The circuit is alway shut unless press the button

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