TERRA-LR is a latch relay controller supported PoE+ for Ethernet connection. It had 8 channels for Analog/TTL input for signal input functions such as control the light switch, curtain direction, heater switch, ambient temperature detection and other similar input signals, and then through 8-channel relays to control power control functions such as light power, electric curtain motors, heaters, magnetic door lock and other similar equipment. TERRA-LR had 2 Ethernet ports and can be easily managed through web page