... ,underwater,drain,sewer,pipe,duct,tubes inspection DUCT INSPECTION CAMERA SYSTEMTechnical specificationsCamera1. Color camera with sapphire glass lens2. Wide viewing angle 120 ... /1000mA (included.)2. Lithium battery box (4000mAh, included.)Dimensions1. Case 48cm x 41cm x 19.5cm2. Camera Ø23mm x 120mm3. Cable Reel ...