1 Channel 5V Relay Module Low-Level Trigger Without Optocoupler

Maximum load: AC 250V/10A
Trigger current: 5mA
Working voltage: 5V
Module size: 50 x 26 x 18.5mm (L x W x H）
IN: can be high or low level control relay
NO: normally open relay interface
COM: Common Interface Relays
NC: normally closed relay interface
It is low level trigger when jumper connect to LOW pin
It is high level trigger when jumper connect to HIGH pin