SKU: 114 Arduino TIMER RELAY Module.
- Operating Voltage:6--30V
- Trigger Signal Source: high level trigger (3.0Vmdash;24V),signal ground and system ground are not common, which can enhance system anti-interference capacity (can also short circuit connect with common ground)
- Output Capacity: can control no more than DC 30V 5A or AC 220V 5A devices
- With Optocoupler Isolation: enhance anti-interference capacity, after setting parameter, it will memory forever.