Features:
250V 30A high quality solid state relay.
Input power supply: DC 5V or AC 100-250V isolation module(not included).
Has been assembled and more convenient for wiring.
High/low level can be set freely.
Great for electronics hobbyist to do DIY work.

Specifications:
Type: 2-channel / 4-channel(Optional)
Control Load: 250V 30A?
Power Supply: DC 5V (can also use AC 100-250V isolation module for power supply)
Trigger Type: High/Low Level Trigger
*Input Control Signal Voltage:
0-1V Low Level， the Relay OFF;
1.5-5V High Level， the Relay ON
*Wiring Port Description:
DC +: positive(this interface can be used for high level trigger if you use isolation module for power)
DC-: negative
CH1.CH2...: trigger terminal?
*Item Size:?
2-channel: 86 * 60 * 20.5mm
4-channel: 143 * 60 * 20.5mm
*Item Weight:
2-channel: 100g / 3.54oz
4-channel: 178g / 6.27oz?

Package List:
1 * Relay Module