100% brand new and high quality Features: 1 working voltage: DC 12V 2 working current: standby 12mA, 1 relay on 40mA, 2 relays on 68ma, 3 relays on 94ma, 4 relays on 120mA, 5 relays on 148ma, 6 relays on 174ma, 7 relays on 199ma and 8 relays on 224ma 3 open, close, inching, self-locking, interlock, delay six working modes 4 MODBUS command (default) and at command control mode The maximum delay time is 255 seconds under MODBUS command and 9999 seconds under at command 6 at command can be input by serial super terminal (serial assistant); MODBUS instruction can be input by "MODBUS poll" besides serial port super terminal 7 MODBUS command mode, can support up to 64 devices in parallel 8. The default baud rate is 9600bps. You can select the baud rate 24004800 19200bps by jumper Specifications: Color: Green Width: suitable for circuit board width um72 (inside 72) Insulation grade: flame retardant VO grade Board length: suitable for 10 cm PCB size: 100 * 72 * 20MM (circuit board); 120 * 88 * 42mm (with guide rail box) Quantity:1 pc Note: No retail package. Transition: 1cm=10mm=0.39inch. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Relay Board(other accessories demo in the picture is not included.)