Note: The pigtail cable is about 1.16m (from the outlet end to the end of the pigtail cable). Customers have to prepare the explosion-proof cableprotecting pipe. Please make sure that the length of the pipe satisfies the location needs. The pigtail cable includes power input, RS485, BNC, network output, GND, 2-ch alarm input, 1-ch alarm output, audio input and audio output.