1、6 Commands: This relay switch control module has 6 commands open, close, momentary, self locking, interlock, delay in the regular state. 2、2 Input Methods: This relay has 2 input methods, in addition to the serial super terminal input, commands can also be input. 3、Up to 64 Devices Connected in Parallel: Our relays are very powerful with mode and can be connected to up to 64 devices in parallel. 4、Easy to Install: The relay has a standard size and is of medium weight, so the relay can be installed successfully with only the usual operations. 5、ABS Material: Our relays are made of ABS material, which is heat and shock resistant and will keep the product stable and safe during your use. Item type: Relay Switch Control Module Material: ABS Operating current: Standby 14MA, 1 relay guide 44MA, 2 relays 69MA, 3 relays 95MA, 4 relays 121MA, 5 relays 149MA, 6 relays 175MA, 7 relays 199MA, 8 relays 226MA, etc. Commands support 03 06 16 function Maximum delay of 255 seconds for commands Default baud rate of 9600 BPS Baud rate can be selected by jumper: 2400, 4800, 19200, 38400, 57600, 115200BPS Parity mode can be selected as no parity, even parity, odd parity Data sending return time can be set, the maximum can be set to 1000ms 1 x Relay Switch Control Module