Feature: 1. 8500mAh Lithium Battery: The sewer camera kit includes a powerful, rechargeable 8500mAh lithium battery that supports continuous operation for 14 hours. No need to carry additional battery packs. All you need to do is fully charge the battery the day before work. In addition, the battery also has a function to display the remaining capacity, through which you can obtain detailed information about the battery capacity during use. 2. Wide Range of Application: Whether for household or industrial use, professional water heating cameras can meet the demand. It is designed to allow personnel such as plumbers, contractors, inspectors, engineers, municipal workers, and other professionals to inspect areas that are often difficult to reach, such as wastewater systems, rainwater systems, different types of pipes and drains. 3. DVR Function and 16GB Memory Card: The pipeline inspection camera also features a DVR function and a 16GB mini secure digital memory card (included in the packaging), allowing you to record and save images for future reference and analysis. 4. IP68 Waterproof Grade and Spring: The 4.3 inch sewer camera is IP68 waterproof and can be used underwater. The camera has a spring that allows for turning inside the pipe. 5MM diameter yellow dedicated detection line. 5. Display and Cable Racks Storage Ports: The endoscope camera features 4.3 inch display ans 1200 TVL LCD display. Equipped with dedicated cable racks and storage ports, easy and convenient to operate. Specification: Item Type: Sewer Camera Material: ABS, Aluminum, Stainless Steel Display: 4.3 Inch Plug: EU Plug Voltage: 100-240V Camera Light Bead: 6 LED Display Type: Lithium Ion Battery, 18650 Model, 8500mAh (Built In Battery) Service Time At Room Temperature: 14 Hours Probe Line Material: Elastic High Strength Fiber Pipe Camera Light Source: Adjustable High Brightness LED Camera Diameter: Approx. 23mm / 0.9in Camera Material: Stainless Steel Menu Language: Chinese, English Camera Picture: Color Monitoring Image: Color Monitor Input Voltage: 12V DC Product Size: Approx. 300x290x135mm / 11.8x11.4x5.3in Video Recording Function, Memory Card: 16GB (Included). Package List: 1 x Sewer Camera (With 16G Memory Card) 1 x Bracket Set With Cable Camera1 x Manual 1 x Storage Bag1 x Accessory1 x Screwdriver 1 x USB Cable 1 x Power Plug 1 x Aluminum Box Note: 1. Ensure that each interface is correctly connected during installation.2. If a blue screen appears during installation, the camera, battery case, and display are not connected successfully.First, check whether the camera is loose and tighten the camera.Second, check whether the camera video cable is fully in contact with the batterycase.Third, check whether the video cable and power cable are fully in contact.3. In the process of use, pay attention to the battery power light shows the last grid of power to charge in time, to prevent the battery loss can not be charged.4. The cable can not be tied, cable bending can not be less than 90 degree angle.5. Do not smash the product violently, prevent cable break.