| Brand | Unbranded |
|---|---|
| UPC | 7845984690662 |
Check the listing for details. § 2 Channel Bistable Self Locking Trigger Board Button MCU Low Level Control. Condition: New. Listed at 13.48 USD. Trigger Mode: Low level trigger. While at power-on, the relay opens. T (T1 / T2 / T3 / T4): Trigger signal input (0.2-2 second low pulse). Working Current: 1 relay pull-in 70MA, 2 relay pull-in 140MA.