7in TFT DVR Telescopic Inspection Camera Life Detection Video Recording IP68 Waterproof for Earthquake Rescues 100‑240VUS Plug Item Type: DVR Material: Stainless Steel + ABS Plastic Waterproof Camera: Camera Size: Approx. 23 x 50mm/0.9 x 2in Camera Housing Material: stainless steel 304 Camera Lens Material: Sapphire Sensor Size: 1/4 Inch 300,000 pixel HD CMOS chip Lens Viewing Angle: 120 degrees Camera Adjustable Angle: any angle Camera Light Source: 12V LED fill light Camera Waterproof Rating: IP68 Total Length of Telescopic Pole: Approx. 3.2 meters/10.5ft Working Temperature: -10℃-50℃ LCD Monitor: Screen Size: 7 inches 16: 9 Power Supply: DC: 12V Storage: Built-in 8G memory card, maximum support 64G Maximum Current: <600mA Power: <6W Power Supply: 1000mAh rechargeable battery (built-in) How e: 1. First, take out the various parts and accessories from the aluminum alloy box, assemble the video searcher and connect the signal line according to the assembly instructions, adjust the two adjustment sockets on the telescopic rod according to the actual needs, and adjust the length of the telescopic rod to the length you need 2. Turn on the power switch on the battery box, and the video searcher will work normally 3. Adjust the viewing angle of the camera according to the actual situation 4. After using the equipment, first pull up the wrench of the adjusting holder of the telescopic rod, retract the first section of the telescopic rod, and then pull the wrench of the adjusting holder downward to lock it. Retract the second section of the telescopic rod according to the same principle. Disassemble each component in order and put it into the original position of the aluminum alloy box for convenient use next time.