Features:This product is made of high quality PCB board, stable and durable.16-channel USB serial port main control board, which is output by high-low level decoding of single-chip microcomputer microprocessor, and each line outputs 1520 mA drive current.Onboard MINI USB interface, stable connection, can be directly controlled by MCU (8051, AVR, PIC, DSP, ARM, MSP431, TTL logic and electrical equalization).High sensitivity, will not appear poor contact problem, you can rest assured to use.Carefully welding, precise hole position, complete functions.Specifications:Material: ABSPower: DC 5VQuiescent current: ＜10mAPackage list:1 x Relay ModuleNote:A0 01 01 A2 Open the First WayA0 01 00 A1 Closes the First WayA0 02 01 A2 Opens the Second WayA0 02 00 A1 Closes the Second WayA0 03 01 A2 Opens the 3rd WayA0 03 00 A1 Closes the 3rd WayA0 04 01 A2 Opens the 4rd WayA0 04 00 A1 Closes the 4rd WayA0 05 01 A2 Opens the 5th WayA0 05 00 A1 Closes the 5th WayA0 06 01 A2 Opens the 6rd WayA0 06 00 A1 Closes the 6rd WayA0 07 01 A2 Opens the 7rd WayA0 07 00 A1 Closes the 7rd WayA0 08 01 A2 Opens the 8rd WayA0 08 00 A2 Closes the 8rd WayA0 09 01 A2 Opens the 9rd WayA0 09 00 A1 Closes the 9rd WayA0 0A 01 A2 Opens the 10 WayA0 0A 00 A1 Closes the 10 WayA0 0B 01 A2 Opens the 11 WayA0 0B 00 A1 Closes the 11 WayA0 0C 01 A2 Opens the 12 WayA0 0C 00 A1 Closes the 12 WayA0 0D 01 A2 Opens the 13 WayA0 0D 00 A1 Closes the 13 WayA0 0E 01 A2 Opens the 14 WayA0 0E 00 A1 Closes the 14 WayA0 0F 01 A2 Opens