Feature: 1. The baud rate 2400 4800 19200 BPS can be selected through the jumper, and the default baud rate is 9600 BPS. 2. AT commands can be input by serial port super terminal (serial port assistant), this product can support up to 64 devices in parallel. 3. Convenient to use and with good performance, with small size, easy to carry and store. 4. There are open, close, jog, self‑lock, interlock, and delay 6 working modes. 5. Can be used with peace of mind, with strict quality control and quality assurance. Specification: Item Type: RelayWorking Voltage: 24V Working Current: Standby 13MA 1 Relay Conducts: 41MA 2 Relay Conducts: 69MA 3 Relay Conducts: 95MA 4 Relay Conducts: 121MA 5 Relay Conducts: 149MA 6 Relay Conducts: 175MA 7 Relay Conducts: 199MA 8 Relay Conducts: 225MA 8 photoelectrically isolated input ports (NPN is active at low level), and the input/output relationship can be set to associated (default) and non-associated through commands. Working Mode: Open, close, jog, self-lock, interlock, delay (6 types) AT commands can be input by the serial port super terminal (serial port assistant) The Default Baud Rate: 9600BPS, you can select the baud rate 2400 4800 19200 BPS through the jumper. . Package List: 1 x Relay