Relay Module (1 Channel) 12V with High/Low Level Trigger Selector

Normally open and Normally closed., High-level trigger or low-Level trigger selection by a jumper., Optocoupler isolation., Terminal blocks for both input and output., Two LED indicators: power (green LED), the relay status (red LED)., Fault-tolerant design, even if the control line is broken, the relay will not operate., Low-Level Trigger Voltage: 0V ~ 1.5V /// Control voltage : 12V., High-Level Trigger Voltage: 3V ~ 5V /// Trigger current: 3mA ~ 5mA., Maximum load: AC 250V/10A, DC 30V/10A, Dimension: 50mm x 26mm x 18.5mm (Lx Wx H).