... Snake Inspection Camera with dvr, sewer inspection drain camera with 20/30/40M flexible cable,12 LED, sonde HOT SALE! WITSON ... Pipe Inspection Camera W3-CMP3188DN with 20/30/40m cable & Monitor case with built-in DVR Pipeline ... Item No.: W3-CMP3188DN (Backup and Playback through USB flash memory) Application Possibility:Pipeline, Drain, Sewer, Duct, Chimneys, Machinery and ...