12V Display LED Timer Relay Delay Programmable Switch Board Buzzer Button Module. Source: DC4V ~ 20V (positive trigger common power button, PNP sensors, PLC signals, etc.). Signal input optocoupler isolation, anti-interference ability. S2: OK / Shift key: Press to adjust the position of the LED is blinking, which LED is blinking, S3 to adjust the value of digital tube flicker.. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Brand: : Unbranded/Generic , MPN: : Does Not Apply , 。
12V Display LED Timer Relay Delay Programmable Switch Board Buzzer Button Module,12V Display LED Timer Relay Delay Programmable Switch Board Buzzer Button Module, etc,), Signal input optocoupler isolation, anti-interference ability, S2: OK / Shift key: Press to adjust the position of the LED is blinking, which LED is blinking, S3 to adjust the value of digital tube flicker,Source: DC4V ~ 20V (positive trigger common power button, PNP sensors, PLC signals, 100% Satisfaction Guaranteed Cost less all the way Best Prices Available Official online store Celebrity Style and Fashion Trend. Module 12V Display LED Timer Relay Delay Programmable Switch Board Buzzer Button.