T20 4.3 inch IPS Screen 3.9mm Single Camera IP67 Waterproof Hard Cable Digital Endoscope Screen: 1. Screen type: 4.3-inch IPS LCD screen 2. Screen resolution (pixels): 480 x 272P 3. Camera resolution: 1920 x 1080P 4. Video resolution: 1280 x 720P 5. Screen brightness adjustment: four-speed adjustment 6. Screen: 180-degree rotation 7. Port: Type-C charging port, TF storage card slot Camera: 1. Camera diameter: 3.9mm, 8mm, 5.5mm 2. Camera resolution: 2 million pixels 3. Waterproof: IP67 level 4. Viewing angle: 70 degrees 5. Optimal focal length: 4cm-500cm Parameters: 1. Working temperature: 0 to 45 degrees Celsius 2. Battery capacity: 3000mAh 3. Battery use time: 3H 4. Battery charging time: 3H Features: 1. High-density curved surface technology prevents screen breakage and clearly restores the true color of the screen 2. Use high-quality wire and thickened body shell to meet various harsh usage environments 3. Built-in 3000mAh large-capacity lithium battery, can last for 3-4 hours, long-lasting battery life 4. IP67 waterproof design, no fear of underwater working environment, easy to use