1. Dual-lens design, front/side camera switching with one button 2. Lens with HD processing technology, clear picture 3. Large-capacity lithium battery, strong endurance and more durable 4. IP67 waterproof, to meet the daily underwater, oil environment operations 5. Thicker copper core, good antioxidant performance, more stable signal transmission 6. Hard line design, can be bent and shaped 7. Can be connected to WiFi through the app, simple and convenient