DC 12V 2 Channel RS232 Relay Module Board Remote Control USB PC UART COM Serial Ports for Smart Home
Tax included.
Features:
Channel: 2-channel relay;there are 2 expansion IN ports, low level output
Interface:DB9 female RS232 level,can control relay on/off/self-lock/inching by computer terminal
Operating Voltage:DC 12V (range:8.5-13.5V)
Control Voltage:DC 9V 12V or DC 8.5-13.5V/AC 85-265V
Control Current:10A
Package Included:
1 x 2 Channel RS232 Relay