The product is a sewer pipe inspection video camera system Use it with mini-video camera with the tube diameter as 23-120mm Water-supply pipe Air-conditioner pipe Cable pipe Pipeline vacuum system PLUNBIN pipe Buildings Sunken pipe Sewer pipeline drain and wall inspection Features: The casing of camera is all made of metal, firm and durable. The visual angle of camera is 110 degree, HD 600TVL camera lens. 7 inch TFT color display, OSD regulation With 30m special cold resistant, waterproof, and anti-pulling
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