| select | DC12V |
|---|---|
| Brand | Unbranded |
| Marke | Markenlos |
Check the listing for details. DC 12V 24V 4-digit Digital Counter Module Time Control Board With Relay Output. Condition: New. Listed at 4.68 USD. Signal mode: low level valid ( Connect to NPN-NO sensor, or common push button switch). - when the counting reaches the set value, the relay will turn off. During counting, pressing this key will enter the pause state (relay disconnected) and will not respond to counting.