TESLONG TD500 5 Inch HD Large Screen Dual Steering Endoscope 1.55m Length 1. Damping positioning design, accurate probe locking technology, 360-degree steering at any angle, which can effectively eliminate the blind spot in the line of sight 2. Adopting newly designed finishing steering parts, the one-way maximum bending angle can be up to 210 degrees, which can observe a wider range 3. Turning radius of only 3.5cm, can easily traverse a variety of narrow bending gaps, viewing and inspection more flexible 4. Waterproof design, the lens is sealed with special glue, capable of underwater operation 5. Ready to use, no need to download software and other complex operations 6. Built-in WiFi module, the collected image data can be transferred to cell phone or tablet at the same time, which is convenient for many people to view 7. Over-temperature protection technology, automatic temperature identification, 75 degrees celsius warning, 85 degrees celsius automatic shutdown to avoid machine damage 8. High-performance lithium polymer battery, high capacity and low energy consumption, to meet the long time use 9. Dial control, simple and flexible operation, 360 degrees without dead angle steering 10. The lens is encapsulated with new technology glass, and the turning point adopts high-density tungsten wire mesh, which makes the steering more flexible and durable Parameters: 1. Camera diameter: 6.5mm 3.9mm 2. Steering radius: 3.5cm 3. Steering angle: 360 degrees in both directions 4. Depth of field: 15-100mm 5. Field of view: 80 degrees 6. Photo resolution: 1920 x 1080 7. Video resolution: 1280 x 720 8. Camera light source: 4pcs high brightness LEDs 9. Battery: 3000mAh lithium battery 10. TF card: built-in 32GB memory card 11. Charging: 5V 2A Type-C port 12. Menu language: English, Chinese, Japanese, German, Spanish, French, Italian, Russian Packing list: Main unit x 1 Alcohol cotton Charging cable x 1 Instruction manual x 1 Storage bag x 1 Packing box x