5Pcs DC5V 2 Way 2CH Channel Relay Module With Optocoupler Protection

Feature The relay contact capacity 250V 10ARelay outputs normally open normally closedActive low5V relay signal input voltage range 0 5VVCC system powerJD VCC power relayDefault 5V relayJD VCC and VCC shorted on itPackage included 5 x 2 Way Relay Module With Optocoupler Protection